Mona returns to the UK and is determined to investigate Danny's suspected links to radical Islam despite her injuries. But her efforts to get Danny to safety on the day of Kareem's funeral have unexpectedly dire consequences for the family.

Mona is released from custody and agrees to become a tasked witness, promising to help the police bring Danny in as an informant. But the fallout from her actions at home is disastrous, and her marriage is under more strain than ever.