The team has been left reeling by Lucas North’s betrayal, and with Harry Pearce on gardening leave, Section D has a new leader. Erin Watts is acting head and she has brought Calum Reed with her, a brilliant officer and technical genius. However, Harry Pearce survives his MI5 employment tribunal and is quickly back on the Grid in the thick of the action.

> Order the Series 10 boxset on Amazon.

Watch the trailer, which features the tagline ‘This is the end’…