Dec 19, 2018
The season finale! Barney and Siobhan find themselves face to face with Agnes' killer - it's a whole thing. Meanwhile, Agnes is on a train she doesn't really want to be on. Get ready for the big showdown!
Alex Lawther as Barney, Olga Amelia Silkina as Agnes, Charlie Vero-Martin as Siobhan, Connor Jones as the...