Margot is a struggling reporter in Indianapolis who returns to her hometown of Wakarusa, Indiana, to care for her uncle. She experiences severe survivor's guilt stemming from the 1994 unsolved murder of her childhood neighbor, January Jacobs. When five-year-old Natalie Clark goes missing from a local playground, Margot risks her job to investigate potential connections between the two cases.

Krissy is a farmer's wife and mother of twins living in Wakarusa. She gave up her dreams of moving to New York City to pursue a dance career when she became pregnant the summer after high school. Following the disappearance of her daughter, she faces intense judgment from the townspeople, who scrutinize her parenting choices and assume her guilt.

Luke is Margot's uncle and primary father figure, currently struggling with early-onset dementia. He lives in Wakarusa and frequently confuses Margot with his late wife, Rebecca. Known around town for his straightforward nature, he relies entirely on Margot for daily care as his symptoms worsen.

Billy is Krissy's husband and the father of January and Jace. He comes from Wakarusa's wealthiest family and runs a successful farming business. He handles the police investigation into his daughter's disappearance by maintaining a calm, cooperative demeanor, prioritizing the preservation of his family's reputation in the community.

January is the six-year-old daughter of Billy and Krissy Jacobs. She is an enthusiastic participant in local dance competitions, known for wearing mature costumes chosen by her mother. Her unsolved murder in 1994 haunts the town of Wakarusa and leaves a lasting psychological impact on her neighbor, Margot.

Jace is January's twin brother. As a young child during the time of his sister's murder, he is quiet, artistic, and deeply affected by the ensuing media circus. He eventually leaves Wakarusa at age 17 to escape public scrutiny, adopting a new name to build a life away from his family.

Max Townsend is a lead detective on the 1994 investigation into January's disappearance. He immediately suspects Krissy Jacobs of foul play, focusing on her seemingly abnormal behavior and her choices regarding January's dance costumes. He remains committed to his theories for decades.

Rhonda Lacks is a detective who investigates January's disappearance alongside Max Townsend in 1994. In 2019, she leads the press conferences regarding the disappearance of Natalie Clark, actively denying any connection between the current kidnapping and the historic Wakarusa murder.

Pete Finch is a local police officer in Wakarusa and Margot's former elementary school classmate. Having cared for a grandfather with dementia, he understands Margot's situation and checks on Luke regularly. He occasionally provides Margot with unofficial details regarding local police investigations.

Jodie Palmer is a woman who reconnects with Krissy years after they attended high school together. She provides a rare source of unconditional support for Krissy in South Bend, offering a safe haven away from the harsh judgments of the Wakarusa community.

Elliott Wallace is a man Margot previously interviewed in connection to the unsolved disappearance of a young girl named Polly Limon. He claims to have a solid alibi for that night, though his distinctive physical appearance and presence in unsolved case files catch Margot's attention.

Adrienne is Margot's editor at the newspaper in Indianapolis. She demands objective reporting and warns Margot against letting her personal ties to the January Jacobs case influence her coverage of current events, eventually firing Margot when her obsession affects her work.

Linda is a bartender at Shorty's restaurant in Wakarusa. She serves takeout to Margot and acts as a central hub for town gossip, eagerly sharing the community's shifting theories regarding the Jacobs family and the recent local kidnapping.

Annabelle Wallace is Elliott Wallace's sister, living in Indianapolis. She has a distant relationship with her brother due to his transient lifestyle and habit of stealing from her, but she defends him against accusations of violence when approached by reporters.

Natalie Clark is a five-year-old girl who goes missing from a Wakarusa playground in 2019. Her abduction initiates a massive police response and prompts Margot to begin an independent investigation into local cold cases.

Rebecca is Luke Davies's deceased wife and Margot's aunt. Though she passes away before the main events of 2019, she remains a constant presence in Luke's mind as his dementia progresses. She struggled with infertility throughout her life.

Eli is a former teenage friend of Jace Jacobs who currently works at the DVD rental store in Wakarusa. He answers Margot's questions about Jace's artistic interests and family resentment during the years before Jace fled town.

Sandy Watters is a television producer and host who conducts a high-profile interview with the Jacobs family in New York City. Her invasive questions about January's dance costumes and the crime scene cement the public's negative opinion of Krissy.