The season continues as Tommy's drinking begins to spiral out of control. Sean recovers from his illness and heads back to work where Tommy's temper problems still get him in trouble. Needles and Lou both have new women in their lives, providing endless entertainment around the firehouse. Meanwhile, Tommy's womanizing ways begin to catch up to him when he finds himself caught between Janet, Sheila, and an intriguing newcomer. Tensions boil over in a shocking turn of events during a late night at the bar, leaving Tommy Gavin in serious jeopardy in the hottest season yet.