Being Human: Chasers

George's friend, Kaz, arrives at the flat with a staggering request: she and her partner Gail want to have a child, and they'd like George to be the father. George is warming to the idea - he's always wanted kids, and he can be as involved in the baby's life as he wishes - but he is wary: what if his condition is genetic?

Mitchell and Annie don't approve of the new plan, but Mitchell is wrestling with a difficult decision of his own. A patient at the hospital, Leo, is surprisingly good compa...