It returns six months after the shocking finale of Season 3, and the team must overcome their grief to tackle a dangerous crime wave.
This time, the gloves are well and truly off for Professor T in ...
Liz and her daughter Amy move to Hamelin where a dark secret in Liz's past is uncovered by the restless spirit of the Pied Piper, who seeks out those who have gotten away with a crime, and punishe...