Bronwyn, Cooper, Addy, and Nate are sent to detention after phones are planted in each of their bags.

A car accident in the school parking lot distracts the students and causes Mr. Avery to briefly leave detention.

Simon collapses after drinking a cup of water and dies before paramedics can revive him.

Police reveal that peanut oil residue was found in Simon's cup, officially turning his death into a murder investigation.

Detectives show each of the four suspects Simon's unpublished About That post exposing their secrets and establishing motives.

An anonymous Tumblr page called About This appears, claiming to be written by the student who murdered Simon.

Jake breaks up with Addy after she confesses to having cheated on him with his friend TJ.

Mikhail Powers Investigates profiles the Bayview Four and features defense attorney Eli Kleinfelter criticizing the police investigation.

Police decrypt a hidden post in which Simon outs Cooper as secretly dating a male model.

All four suspects meet in an abandoned construction house to compare notes and search for a common link to Simon.

Nate is arrested and led away in handcuffs after missing EpiPens and a computer with Tumblr posts are found in his home and locker.

Bronwyn tracks down the red Camaro driver at another high school and learns Simon paid him to stage the parking lot accident.

The group gathered at a coffee shop concludes Simon committed suicide and recruited Jake as his posthumous accomplice.

Addy visits Janae, who reveals Simon's written manifesto confessing he committed suicide and framed his four classmates for revenge.

Jake chases Addy into the woods and begins strangling her before Cooper arrives and punches Jake, saving her life.

Four students are given detention after phones are planted in their bags, and during that detention Simon Kelleher collapses and dies from a peanut oil allergy. Police discover Simon's unpublished gossip post revealing each student's secret, making all four prime suspects in what is now a murder investigation. As the case draws national media attention and an anonymous Tumblr page claims responsibility for Simon's death, the four suspects cautiously begin working together to find the real killer. A key breakthrough comes when Bronwyn tracks down the driver paid to stage the parking lot accident, proving Simon orchestrated events from the start. The group ultimately concludes Simon committed suicide and used Jake as an accomplice, a truth confirmed when Janae reveals Simon's manifesto and Jake violently attacks Addy before Cooper intervenes to save her life.

The murder investigation that changes four students' lives.

Simon labels his four detention classmates as teen-movie stereotypes and calls himself the omniscient narrator moments before collapsing.

Nate rides Bronwyn home on his motorcycle after Simon's death, and she receives the call confirming Simon has died.

Addy lies to Officer Budapest about having visited the nurse's office on the afternoon of Simon's death.

Cooper pitches at a San Diego Padres showcase event where scout Josh Langley notices his dramatically improved fastball.

Bronwyn admits to her parents on the drive home from the police station that she cheated in chemistry class.

Nate rides to Bronwyn's house seeking connection, but her father comes outside and sends him away.

Ashton drives Addy to Jake's house, where Addy confesses to cheating on him and Jake punches a wall before throwing her out.

Principal Gupta calls all four suspects to her office after a new Tumblr post tells readers to connect the dots.

Maeve hacks into Simon's About That admin panel and discovers the post about Cooper is suspiciously misdated compared to the others.

Addy drops into a Supercuts and grabs the scissors herself to begin cutting off the long blonde hair Jake always loved.

Cooper breaks up with Keely, who tells him Simon would have given anything if she had chosen him instead.

Bronwyn confronts Nate about lying that his mother was dead, and the two agree to try a relationship.

Cooper gathers his parents and Nonny and comes out to them as gay after learning the police will release the information.

Luis picks up his lunch tray and moves to join the Bayview Four's table after Cooper is publicly taunted in the cafeteria.

Nate is released from juvenile detention and finds Bronwyn waiting outside, though he keeps his emotional distance from her.

Before Simon's death is even confirmed as murder, the four students are already carrying secrets that will define the investigation against them. Each faces difficult family dynamics and personal pressures — Cooper's baseball-obsessed father, Addy's controlling boyfriend, Nate's alcoholic home life, and Bronwyn's intense pressure to achieve — that shape how they respond to the crisis. As the investigation intensifies, each suspect makes choices that deepen suspicion or reveal their true character, from Addy lying to police to Cooper quietly breaking up with his girlfriend. Their individual identities begin to shift under pressure: Addy cuts off her hair, Cooper comes out to his family, and Nate slowly allows Bronwyn into his guarded world. By the time Nate is released and the case is resolved, the four former strangers have become a genuine support network held together by shared hardship and hard-won empathy.

The secrets, relationships, and personal battles behind the headlines.

Nate cannot find Simon's EpiPen among his things, and the emergency EpiPens at the nurse's office are also missing.

Nate visits Bronwyn at home and she plays Variations on the Canon for him, feeling the music emotionally for the first time.

Nate and Bronwyn share their first kiss at Marshall's Peak, only to arrive at his house and find his presumed-dead mother at the door.

Detective Mendoza shows Bronwyn a comment she once posted on Simon's blog telling him to Fuck off and die.

Nate meets his mother for lunch at a diner but abruptly walks out, unable to listen to promises he does not trust.

Maeve forwards Simon's disturbing 4chan threads supporting school violence to Mikhail Powers Investigates.

Addy invites Janae to her home, but Janae suddenly claims illness and leaves with her overstuffed backpack, unable to plant the evidence Jake ordered.

Nate publicly defends Cooper against cafeteria taunts, then strides to Bronwyn's table and kisses her in front of the whole school.

Bronwyn opens up to her mother about her relationship with Nate and apologizes for the secrets she has been keeping.

Addy recognizes that a false detail about Detective Wheeler in the Tumblr posts is something she told only Jake.

Janae reveals that Jake blackmailed her using edited footage and demanded she plant Simon's computer and the missing EpiPens in Addy's room.

Cooper and Kris lace their fingers together and walk openly down the street as an acknowledged couple for the first time.

Bronwyn agrees to an interview with Mikhail Powers specifically to publicly admit she cheated in chemistry and apologize for it.

Yale posts an encouraging tweet at Bronwyn after her public confession, signaling the school still welcomes her application.

Nate attends Bronwyn's piano recital, confesses he has been an idiot, and asks for a chance to spend time with her again.

From the very first moments of Simon's collapse, small details point toward a deeper conspiracy — missing EpiPens, a staged accident, and a gossip post dated suspiciously late all hint that someone engineered events carefully. Each of the four suspects undergoes a private reckoning during the investigation: Nate faces the mother he claimed was dead, Bronwyn confronts the anger she directed at Simon over his post about Maeve, and Cooper takes the first painful steps toward living openly as a gay man. The emotional turning points are matched by investigative ones, as Addy identifies a false detail in the Tumblr posts that only Jake could have known, and Janae finally confesses that Jake blackmailed her into continuing Simon's revenge plan. The resolution brings both justice and personal growth — Bronwyn publicly owns her mistake, Yale signals it still wants her, and Nate finally allows himself to be vulnerable enough to ask Bronwyn for a second chance.