Bloody sheets and an apparently stolen credit card lead Briscoe and Curtis to a pair of college age lovers who present McCoy and Ross with a united front of denial that one of them killed their newborn son and disposed of the body.

The investigation into how a teen got wounded leads to a case involving a young woman's murder and a drug operation.

Briscoe and Curtis investigate the murder of a police officer who was shot while on an undercover stakeout.