When two dead bodies are found inside a wrecked car on the Golden Gate Bridge, Detective Lindsay Boxer doubts that it will be anything as simple as a traffic accident. The scene is more gruesome than anything she has seen before: it definitely wasn't the crash that killed these people. While Lindsay starts to piece this case together, she gets a call she wasn't expecting. Sightings of her ex-colleague-turned-ruthless-killer Mackie Morales have been...