Alison investigates when a teenager who has been haunted by visions of a young boy claims the psychic he has been visiting is an impostor, but finds herself unable to connect with the spirit world. While Robert reassures his colleague that she still can use her insight into human emotions for the benefit of others, he struggles to find the right moment to tell her the news about his failing health. Written by
Did You Know?
The letter that Robert left for Alison wasn't actually scripted. It was personally written by Andrew Lincoln
to Lesley Sharp
, which he later gave her as a gift after filming. See more