Mary struggles to get George back under her control. Mercy and her acolytes flex their growing power.
The town is rocked by the arrival of Cotton's father. Mary's power over George is compromised.
During the rookies' first midnight duty, Lazarus and Tonya try to stop rival gangs from moving in after a drug dealer's house is firebombed.
Sam must defuse a hostage situation at County Hospital where a gunman is trying to force a doctor to reverse a dangerous operation on his brother.
A gunman tries to force a doctor to reverse an operation on his brother.
NY police officer Sam gets hit by a car and finds himself in 1973 New York; while still in the past, Sam starts following a murder case all while getting back to 2008.
Hit by a car, Detective Sam Tyler finds himself transported to 1973.
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