Torchwood: Children of Earth (TV Miniseries)

44 years ago, a mysterious alien race known only as “the 456” kidnapped a group of Scottish orphans. Now the 456 are coming back, broadcasting the message of their return through every child on the face of the Earth -- including Jack's grandson and Ianto's niece and nephew. But Jack's ties to the events run deeper still, causing forces within the British government to conspire against Torchwood. Driven to the brink of desperation, with the entire world in peril, Jack is forced to make the most terrible decision of his very long life.