Cynthia Abell works for Bronson Carlyle, an enterprising crime boss in the city of Melbourne. She's a talented investigator but hides behind a hardened attitude and an inhuman curse.

With a single touch, Cynthia can kill.

Forced into working for a criminal and hiding from any chance at a normal life, she is known, and feared, as Deadfall.

Cynthia believes she is the only one of her kind, but after a series of unusual crimes across Melbourne she realises that something dark is rising. With her partner, Mat, at her side she sets out to uncover the secrets of her employer and the growing mystery of the Post-Humans.