Geo is a successful pharmaceutical executive whose life crumbles when her teenage best friend's body is discovered fourteen years after disappearing. She is sentenced to five years in Hazelwood Correctional Institute for helping cover up the crime. She works to survive the harsh reality of prison life while fighting immense guilt and the psychological damage of a past abusive relationship.

Kaiser is a police detective in the Sweetbay area who was best friends with Geo and Angela in high school. He has harbored unrequited feelings for Geo for over a decade, a fixation that complicates his romantic life and his career. He is driven to seek justice while balancing his loyalties to Geo as new bodies begin turning up.

A charismatic but deeply manipulative man known as the Sweetbay Strangler. He is convicted of murdering Angela Wong and several other women, using his good looks and charm to hide his violently controlling nature. His eventual escape from prison sets the Sweetbay community and his surviving victims on edge.

Angela is Geo and Kaiser's athletic, beautiful best friend whose life was cut short at the age of sixteen. She was highly sought-after and confident, though occasionally prone to jealousy. Her murder leaves a lasting, traumatic impact on everyone who loved her.

An eighteen-year-old young man who grew up surviving a difficult childhood marked by instability within the foster care system. He initiates a correspondence with incarcerated individuals for a social studies project, leading to an ongoing exchange of letters with Geo Shaw.

An incarcerated woman and the wife of a notorious drug lord. She runs the largest illegal drug operation within Hazelwood Correctional Institute and has a formidable, lethal reputation. She offers Geo physical protection in exchange for white-collar financial services.

An incarcerated woman serving a fifteen-year sentence for a drunk driving accident that resulted in death. She becomes Geo's first genuine female friend in prison. As she battles severe cancer, she relies heavily on Geo for care and emotional support after her husband files for divorce.

Geo's devoted and supportive father. He remains a steady presence in her life despite the public notoriety of her crimes, eventually taking her into her childhood home upon her release from prison and shielding her from aggressive neighbors.

A police detective and Kaiser Brody's partner on the force. She is married to another officer but becomes entangled in a discreet affair with Kaiser. Her objectivity proves vital in investigating the new string of murders, balancing out Kaiser's personal biases.

A young law student and intern at a prestigious firm who is discovered murdered. She is a dedicated student who had briefly dated Calvin James before giving her child up for adoption.

A young woman whose life has been heavily affected by severe drug addiction. She briefly achieved sobriety during her pregnancy and was closely connected to her grandmother before falling victim to a killer.

The 22-month-old biological child of Claire Toliver. He is adopted by a loving family but becomes the tragic victim of a killer who targets him in his home, leaving a message drawn in lipstick on his chest.

The four-year-old biological daughter of Sasha Robinson. Adopted as an infant, she began displaying severe behavioral and aggressive problems at a young age before being targeted by the Sweetbay killer.

A wealthy pharmaceutical executive and Geo's former fiancé. He swiftly severs all ties with her both personally and professionally following her highly publicized arrest, eventually marrying another woman and starting a family.

An incarcerated woman who serves as Geo's initial bunkmate at Hazelwood Correctional Institute. Initially appearing friendly, she quickly reveals a violent and predatory nature toward new arrivals.

A notorious drug lord and the husband of Ella Frank. Though operating outside the prison walls, his criminal empire dictates much of his wife's power and lethal reputation inside Hazelwood.

A woman who serves as a foster parent in the Sweetbay area. She briefly fostered Dominic when he was younger and provides Kaiser with crucial information regarding his social studies project.

Sasha's grandmother, who stepped in to support her when she briefly achieved sobriety during her pregnancy. She unknowingly provides critical information to investigators about a man asking questions prior to the murders.

Claire Toliver's best friend and roommate. She covers for Claire at work, initially believing Claire has simply disappeared on a romantic whim before learning the horrifying truth.

An incarcerated woman who operates as Ella Frank's primary rival for drug sales within the prison. Her ambitions spark a dangerous and ultimately lethal turf war behind bars.

A neighbor who lives near Walt Shaw's home. Her husband discovers the bodies of Claire and Henry in the woods, and she harbors intense, vocal animosity toward Geo upon her release from prison.

A resident of the Sweetbay area who stumbles upon a grisly crime scene while walking his dog in the woods behind Geo's childhood home.

The adoptive mother of Henry Bowen. She provides a loving home for the toddler before his tragic abduction leaves her completely devastated.

The adoptive father of Henry Bowen who is left devastated when his son is taken from his crib in the middle of the night.

The adoptive mother of Dominic Kent. Though she initially appeared capable of providing a stable home, her personal life brings chaos, neglect, and abuse into the household after her divorce.

The adoptive father of Dominic Kent who eventually divorces his wife, remarries, and leaves his son entirely in her unstable custody.