With Peter out of control, extreme measures must be taken to try and stop him.

As Simon's net closes around him, Barry gets a word of wisdom from Linda. Chloe makes a dangerous mistake.

Barry is in a hole from which it is impossible to escape, Peter's mental health is deteriorating, and Simon wants to get rid of Barry.

Barry takes a firm stand to regain control, Roberts makes a sacrifice to free a friend, and Peter learns the truth about his good friend.

A new supply of drugs gives Barry a headache. Simon's management methods please no one.

Second series. As Barry tries to keep control of the wing, the arrival of new staff members makes life difficult.