Captive Darren is desperate to escape, but when an opportunity to contact Nancy presents itself, can he pull it off without getting caught? Toby tries to play it cool. Sienna has a surprise for Ste.

As concern grows for Luke's health, will anyone believe what he says? Olivia blurts out a secret. Leela refuses to come clean. Darren's kidnappers plan to silence him. Theresa confronts a newcomer.