Sam investigates a series of fatal robberies at cash-checking stores while evidence points to someone in the squad being involved.

Racial tensions run high when a young black girl is killed and a race begins between the cops and the BLA to find the supposed killer. Sam teams up with Fletcher Bellow, a young detective in 1971, who is his captain in 2008.

When rock star Sebastian Grace receives a death threat, Sam and Chris are exposed to the rock-and-roll lifestyle that includes one of Grace's groupies called "Rocket Girl." Things really get strange when Chris finds Sebastian and Rocket Girl waiting for UFOs in the swampy area of New Jersey known as the Meadowlands.

When Sam Tyler receives a phone call that presents him with three tasks he must perform so he can return to his life in the future, he must weigh his alternatives and decide whether to stay in 1973 or go home.