At 8.15am, a small green suburb of Los Angeles is turned into a fiery inferno by a commuter plane crash, plunging the city's emergency services into a major crisis.

A month later, one mystery from the wreckage still remains unsolved. A woman's body - initially thought to be a stewardess - is instead revealed to be an undiscovered homicide, decades old. Who is this nameless victim? And why is the stewardess still missing?

As they begin to unravel years of deception, Lieutenant Peter Decker and his team come closer and closer to the shocking truth – and a confrontation with a vicious killer.