While attempting to support Amy, Joe leads the school into a disaster as the teachers turn on him. Libby face harassment and finds a hero in an unexpected place.

New head, Steve Savage, hits the ground running with a big crackdown on vapes. His son, Billy, has the misfortune of being Schuey’s next target.

Donte steps up for a struggling Tonya, while Nicky’s distracted by an old flame. Coral and Neil’s relationship is put to the test when she’s asked to reprimand him.

While setting up Battle of the Bands, pressure mounts on Val when she highlights the lack of support for teachers. Meanwhile, Tonya struggles to be believed as she has a crisis.

Billy finally fights back, but disaster strikes when things go too far, and new deaf pupil Luca acts out when he struggles to fit in at Waterloo Road.

Steve and Billy sweat as suspicions rise and attention turns to a missing pupil. Meanwhile, Kelly Jo finds her voice to fight for what’s right.

Preston and Nicky panic as they get caught in the firing line, and Schuey makes a desperate call when Steve goes too far.

Steve and Billy fight to keep their secrets as Kim returns to restore order. And Nicky and Donte’s relationship is put to the test.