Police arrive at the Plus-One Party and announce Sadie Loman's body was found at Breaker Beach.

Avery investigates a reported break-in at the Blue Robin and discovers Sadie's phone hidden in a blanket chest.

Avery accesses Sadie's phone and finds photos of Connor, confirming Sadie secretly met him on his boat.

Parker tells Avery the police matched the handwriting on the suicide note to a diary found in Sadie's belongings.

Avery searches Parker's car trunk and recovers her own old journal, explaining how the handwriting was matched.

Bianca Loman forces Avery out of the guesthouse after accusing her of involvement in missing funds.

Connor takes Avery to the Horseshoe cove, where she discovers a hidden wooden box containing a flash drive.

Grant Loman fires Avery from her property management position over the phone.

Avery discovers her grandmother's bank account numbers match large payments recorded on the flash drive Sadie hid.

Faith confesses to breaking into the Loman rental properties to drive customers toward her family's struggling bed and breakfast.

Faith tells Avery she saw a woman in a blue skirt walking toward the Plus-One Party with an unidentified man.

Avery examines her car trunk and finds interior dents, scratches, and Sadie's missing gold shoe buckle inside.

Avery finds Parker's medical records proving he was treated for a head injury two days after her parents' fatal accident.

Avery presents all her evidence to Detective Collins, who burns it in a trash can before being exposed as Sadie's killer.

Parker shoves Detective Collins off the bluffs to his death, and Parker is immediately arrested at the scene.

Sadie Loman's body is discovered at Breaker Beach after the Plus-One Party, ruled a suicide by police. A year later, Avery Greer uncovers Sadie's hidden phone during a break-in investigation at the Blue Robin, setting her own inquiry in motion. Evidence mounts that the suicide note was actually Avery's own handwriting, and that Sadie was murdered rather than a victim of self-harm. A hidden flash drive connects the Loman family to a financial cover-up tied to the accident that killed Avery's parents, implicating Parker directly. Avery eventually confronts Detective Collins with everything she has found, only to discover he is both the cover-up's accomplice and Sadie's killer. Justice arrives violently on the bluffs, Parker is arrested, and Avery rebuilds her life alongside her old friend Faith.

The headline events of Sadie's death and Avery's pursuit of the truth.

Avery wakes to an unexplained power outage in the guesthouse and discovers Parker inside the main Loman house.

Parker invites Avery to a committee lunch meeting to help plan the upcoming memorial dedication in Sadie's honor.

Avery arrives at the Bay Street restaurant for the memorial lunch and is surprised when Detective Collins joins the table.

At the Plus-One Party, Greg Randolph tells Avery he saw Sadie in a boat with a local man at sunset.

Avery runs into her former childhood friend Faith during a stop at the Point Bed-and-Breakfast.

Connor visits Avery at the Blue Robin and firmly denies having had any romantic relationship with Sadie.

Avery brings Sadie's phone to the police station, and Detective Collins reveals the exact wording of the suicide note.

Avery realizes her own handwritten apology to Sadie used the exact same words as the supposed suicide note.

At The Fold bar, Greg calls Avery 'Sadie's monster,' and Avery turns and walks away without responding.

Avery and Parker share a brief kiss outside the Loman house, but Avery is left unsettled by his touch.

Detective Collins confronts Avery during a walkthrough of the Blue Robin and accuses her of being obsessed with Sadie.

Avery enters Sunset Retreat to investigate and discovers a dangerous gas leak, prompting her to call emergency services.

Avery finds Luce working at a hospital and Luce describes witnessing a woman attack Parker with a stone pillar at the party.

Avery follows Faith through the woods to Sunset Retreat and confronts her inside about the rental property break-ins.

Connor picks Avery up from the police station after she surrenders her remaining evidence to the authorities.

A mysterious power outage brings Parker Loman unexpectedly back into Avery's orbit, and she is soon drawn into memorial planning and a deepening web of secrets. Avery reconnects with old faces — Faith, Connor, and Detective Collins — each of whom holds a piece of the puzzle she is trying to assemble. Key encounters at the police station, at The Fold bar, and inside Sunset Retreat push the investigation forward while sending Avery down several false trails. Revelations from Luce about the broken window and public confrontations with Collins and Greg expose the social tensions simmering beneath Littleport's surface. Faith's confession about the rental break-ins clears a major red herring and sharpens Avery's focus on the real threat. The pool closes with Avery surrendering her remaining evidence to police and leaving the station, finally ready to move forward.

The supporting moments that shaped the investigation and Avery's world.

Sadie helps Avery bandage a knife wound in the Loman house bathroom, sparking the beginning of their friendship.

Avery discovers that Sadie's phone contains a photo of the exact road where her parents died in their accident.

The power cuts out at the Plus-One Party, plunging the house into darkness and allowing someone to leave undetected.

Parker asks Avery at the Plus-One Party whether she thinks he is a good person, hinting at a deep hidden guilt.

Party planner Erica reveals that Sadie specifically requested Avery by name before their supposed chance meeting in the bathroom.

Avery reads her old journal by candlelight during a power outage and confronts how close she once came to ending her life.

Luce emerges visibly upset from the Blue Robin loft at the party and declares she has never seen so many liars in one place.

Connor confronts Avery on his boat, suggesting she deliberately worked her way into Sadie's life to become part of the Loman world.

Avery stops Connor from leaving the Plus-One Party, and the two end up having sex in a Blue Robin bedroom.

Avery and Sadie take genealogy DNA tests together, and the results prove Avery has no biological connection to the Loman family.

Avery realizes the Plus-One Party power outage was likely triggered deliberately to let someone leave the property unseen.

Connor admits to Avery that he knew Faith was at the Plus-One Party but deliberately kept quiet about her presence there.

Avery moves the vanity in the Blue Robin master bathroom and uncovers a hidden bloodstain, evidence of a violent struggle.

Avery realizes a second large payment on the flash drive was sent to Detective Collins, marking him as the Lomans' accomplice.

Avery returns to Littleport to begin a new rental season as co-owner of her own company, partnered with Faith.

The friendship between Avery and Sadie begins with an encounter that, as Avery later learns, was deliberately engineered rather than accidental. Flashbacks to the Plus-One Party expose the night's hidden currents — a deliberate power outage, Parker's guilty conscience, and Luce's furious discovery of widespread deception among the guests. Key revelations accumulate throughout the investigation: Sadie's phone holds a photo of the accident road, genealogy tests disprove a suspected family link, and Avery's old journal reveals she nearly took her own life years earlier. Connor's confrontation on the boat challenges Avery's sense of identity, while the bloodstain hidden in the Blue Robin bathroom confirms a murder was committed there. The discovery that Detective Collins received a payment from the Lomans is the final revelation that breaks the cover-up open. Avery ultimately reclaims her future, returning to Littleport on her own terms with Faith as her partner.