In a secluded mansion near London, only their own people gathered to celebrate Christmas: the ambassador of one of the eastern countries with his wife, his son with his eccentric wife, his daughter with an elegant, reserved husband, and the diplomat’s millionaire friend with his beautiful wife. Night is approaching, there is a snowstorm outside the window, in short, the most suitable setting for the perfect English murder. And it happens: someone poured poison into the ambassador’s glass. An hour later, the millionaire’s charming wife was shot dead. Who committed these murders? The answer must be found as quickly as possible, because the killer is among his own...