Niels Jorgensen

Holmes and Watson get involved with nuclear security when they investigate the murder of a former Japanese crime syndicate gang member; Capt. Gregson is blindsided by a stunning personal confession from his daughter, a police sergeant.

As Sean returns to the firehouse following his surgery, Tommy finds it is going to be hard to keep his promise to Sheila to watch over 62 Truck's new probie, Damien.

As he fights to stay sober, Tommy faces a difficult shift upon returning to work after being shot.

Tommy refocuses his attention on the injured Damien, risking his efforts to return to his own family; the firefighters vent their outrage over the site chosen to memorialize a fallen comrade.

Tommy's efforts to help Colleen stop drinking force him to face some demons from his own checkered past.

As the crew copes with three long and quiet weeks at work, Tommy discovers that the women in his life have united against him.