Release Message:  Called in by UNIT, the Doctor (Peter Capaldi) and Clara fight to bring the tensions between the Zygons and the Humans under control. But one question remains: Where on Earth is Osgood?

Description:  The fragile peace between the Humans and the Zygons is on a knife edge. Tensions run high as factions within the Zygon community seek to incite violent action against Humans. Called in by UNIT, the Doctor and Clara fight to bring the situation under control. But one question remains: Where on Earth is Osgood?