Sister Julienne is drawn into a conflict between an estranged mother and daughter, both of whom are pregnant. Nurse Crane visits a photographic gallery in Soho with Sgt Woolf, but the trip does not go to plan, and Sister Frances' shyness causes concern. Trixie's keep fit class is chosen to host a special event, but her star pupil is devastated to learn that she is pregnant.

In a covert Romanian facility, Erik Heller evades security to rescue baby Hanna. 15 years on, father and daughter live deep in the Polish forest. Erik has trained Hanna to be an incredible killer and hunter. Yet, keen to grow beyond the boundaries of her isolated world, she begins to venture away from home. This attracts the attention of CIA agent Marissa Wiegler, who has hunted Hanna since birth.

Young Raymond tries his best to be useful on a day off from school. Barbie, a longtime New Yorker, must find a new place to live and becomes roommates with The Guy's nudist client, Arthur.

Wayne finds himself in a no-win situation as new clues emerge in the Purcell case. Roland wrestles with how to keep evidence secure as lawyers demand a new investigation. Amelia finds her relationship with Wayne imperiled by her writing aspirations and his jealousy.