Fire chief Kev returns to duty after receiving serious injuries at the hands of arsonists.

Emotional wounds are reopened when Kev and Mal fall out after witnessing a tragic accident, paving the way for a threatening figure to get closer to Kev.

It's the morning after the night before and morale is low as the team launch a risky rescue attempt. Plus, Little Al gets in over his head at a cage fight.

Things get personal during a rescue when a secret of Ziggy's is exposed. Meanwhile, Kev makes a bold decision, only for Trish to share some shocking news.

The animosity between Dennis and Mal reaches boiling point, which has explosive consequences during a rescue at a dilapidated building.

It's the one-year anniversary of the Churchill Estate fire and, while Dennis reaches breaking point, information comes to light that could lead Kev to the truth.

The powerful drama intensifies as White Watch try to save Trish from an explosive situation in the Blackwall tunnel. A nail-biting episode not to be missed.