On an idyllic day at the beach, Alison and her younger brother, Kevin, are saved from a vicious shark attack by the brooding and mysterious Daniel. Welcomed into their home, Alison soon discovers that her mysterious savior and protector has a dark and disturbing past.

A team of investigators who solve the highest-profile crimes by sending heroes into the past in the body of the victim. They assume the victim's identity and must race against time to prevent the crime before it happens.