The series follows the stories of the families of notorious serial killers throughout the United States, and how their lives have been affected by those terrible events.

Caroline and Henry's 30-year marriage faces upheaval when he's diagnosed with early-onset Alzheimer's. As Henry's memory deteriorates, Caroline finds comfort in friendship with Leo while coping with losing her partner.

A troubled airport worker's impulsive decision to steal and fly a commercial plane becomes a gripping aerial drama that reflects deeper issues of mental health and working-class struggles in America.

A single father has a fractious relationship with his rebellious teenage daughter. When a lost letter written to the daughter from her dying mother is miraculously found, everything starts to turn around.

Struggling singer/songwriter Maggie is worried she's unable to compete with such a tech-savvy world. Upon returning home to help her parents on their farm she meets Archer, an entrepreneur who has come back to town to spend the holidays alone.

Nelly and Detective Michael set out to solve the murder of a guest while at a lavish dinner.