In 1988, Philadelphia police officer Thomas "Locke" Lockhart, hungry to become a detective, begins tracking a serial killer whose crimes defy scientific explanation. When the killer mysteriously resurfaces nine years later, Locke's obsession with finding the truth threatens to destroy his career, his family, and possibly his sanity.

A teenager isolated on her family's maple syrup farm investigates her mother's eerie behaviour following the unexplained disappearance of her father.

The Amish farming community of Painter’s Mill, Ohio, is shattered when a series of brutal murders leaves the town with a sense of frailty and loss of innocence. Among the most affected by the tragedy was Kate Burkholder, a young girl who survived the terror and, as a result, left the Amish life behind. Fifteen years later, Kate returns to Painter’s Mill as its Chief of Police. Certain she’s come to terms with her past, Kate’s renewed life in her hometown is shattered when a murder investigation triggers deep-seated emotions from her childhood and exposes a dark secret that could destroy her.

The gorgeous and charismatic Bo is a supernatural being called a succubus who feeds on the energy of humans, sometimes with fatal results. Refusing to embrace her supernatural clan and its rigid hierarchy, Bo is a renegade who takes up the fight for the underdog while searching for the truth about her own mysterious origins.

Major real-life air disasters are depicted in this series. Each episode features a detailed dramatized reconstruction of the incident based on cockpit voice recorders and air traffic control transcripts, as well as eyewitnesses recounts and interviews with aviation experts.