Kendra co-owns a top local real estate firm with her husband, Paul. She is an attractive, confident woman who prides herself on maintaining a close, informal rapport with her teenage son's friends. Following the tragedy, she suffers from severe panic attacks and spends her nights sleeping in her deceased son's bed, desperately hunting for an explanation for the shooting.

Lindsey is a devoted mother of three who meticulously planned her life to remain close to her childhood friends. She spends almost all her time at the hospital massaging her son Jacob's legs and talking to him, fiercely denying medical assessments that declare him braindead. Her intense focus on Jacob blinds her to the growing emotional distance in her marriage.

Dani is a financially dependent mother who abandoned her college education when she became pregnant. She lives in fear of her wealthy husband, Bryan, suppressing her own opinions and needs to placate his volatile temper. The shooting, which occurred in her home, forces her to finally evaluate her toxic marriage and its impact on her children.

Sawyer is a sixteen-year-old athlete and one of the top soccer scorers in his tricounty area. Charismatic and well-liked, he is the undisputed favorite child in his household. His sudden death from a gunshot wound initiates the police investigation that tears the community apart.

Jacob is a serious, level-headed sixteen-year-old soccer player. He sustains a massive head injury during the sleepover, leaving him braindead and reliant on life support. His quiet, responsible nature makes his involvement in the shooting particularly baffling to his parents.

Caleb is the teenage son of Dani and Bryan, and the only unwounded survivor of the sleepover shooting. Diagnosed with acute stress disorder, he curls into fetal positions, wets the bed, and communicates only through scribbled notes. He carries the heavy psychological burden of witnessing his best friends' tragic fates.

Paul runs a successful real estate firm with his wife, Kendra. He grows increasingly frustrated with Kendra's morbid fixation on their deceased son's belongings and her neglect of their younger son. He possesses a deep-seated fear of psychotropic medications due to a past family tragedy.

Andrew is a mild-mannered rheumatologist married to Lindsey. He takes time off work to support his wife at the hospital, but his passive nature often frustrates her. The immense cost of keeping their son on life support forces him to confront uncomfortable medical and financial realities.

Bryan is Dani's wealthy husband, a man who grew up on Chicago's South Side and insists on keeping a handgun for protection. He terrorizes his family with emotional and physical abuse, using money and intimidation to maintain absolute control. Following the shooting, he focuses entirely on shielding his son from legal liability, ignoring the emotional toll on the other families.

Reese is Kendra and Paul's fourteen-year-old son. Skinny, socially awkward, and diagnosed with ADHD, he feels invisible compared to his athletic older brother. He frequently gets into trouble at his private school to command his mother's attention.

Wyatt is Lindsey and Andrew's tenth-grade son. He plays soccer like his older brother but feels alienated by his mother's obsessive denial regarding Jacob's condition. He prefers to avoid the grim reality of the hospital entirely.

Sutton is the five-year-old daughter of Lindsey and Andrew. Her young age leaves her confused about her brother Jacob's prolonged absence and condition, asking blunt questions about when he will go to heaven.

Luna is Dani and Bryan's eighteen-year-old daughter. After escaping to college, she returns home to help buffer her brother Caleb from their father's temper. She sports a punk aesthetic with purple hair and piercings, actively defying Bryan's control in ways her mother cannot.

Detective Locke is the lead investigator for the Norchester police department. A quiet, clean-cut former military man, he also happens to be a former high school classmate of the three mothers. He methodically interviews the surviving teens and their families to pierce the community's veil of politeness.

Ted is Bryan's lawyer and personal friend. Arrogant and condescending, he frequently smirks at Dani and operates aggressively to ensure Bryan and Caleb face no legal consequences for the shooting.