With acting boss Jackie Aprile dying of cancer, Tony prepares for a power struggle with Uncle Junior. Christopher and his associate Brendan make trouble for themselves when they jack a…

Jimmy’s recovery complicates his return to the firehouse as he tries to take on too much, causing discord amongst his fellow firefighters over his all-consuming need to prove his abilities…

A secret threatens to destroy Jimmy’s relationships at work and home; Sully makes a date with his pretty neighbor; Bosco gets violent after his mother is beaten by her boyfriend.

Internal affairs takes a special interest in Detective Green after a gambler is found dead by his bullet, and the investigation turns up a part of his past he’s taken…

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

During a 24-hour period, Briscoe and Logan have a heavy caseload that includes 5 unrelated murders and a domestic quarrel, which results in the maiming of the husband.