A British actress transplanted to Hollywood, Sarah Broughton plays cool, efficient homicide detective Anita O'Rourke in the hit network series "Good Cop, Bad Cop." She seems to have it all.... a beach house in Pacific Palisades, all the peace and privacy she needs to forget her troubled past....then she starts receiving disturbing letters from someone who signs himself only as "M". Soon, she is plunged into a nightmare of twisted, obsessive love that threatens her sanity, her life and the lives of her friends. Detectives Arvo Hughes and Maria Hernandez from the LAPD Threat Management Unit must explore the lost years of Sarah's life in order to save her. But Sarah's memories of the long roller-coaster ride of drugs, sex and rock and roll are vague and blurred. When "M's" obsession escalates to murder, the two detectives find themselves in a race against time to save Sarah's life.