An alien with the power to change memories infiltrates the team. With Captain Jack caught up in memories of his lost family, and Gwen struggling to remember Rhys, it takes Jack’s love of Ianto to reveal the truth. But there's always a price to pay.
Bryan Dick, Demetri Goritsas, Ethan Brooke, Jack Montgomery, Jo McLaren, Kai Owen, Lauren Ward, Paul Kasey, Rhys Myers