Unacknowledged

In 1994, a 13-year-old boy disappeared without a trace from his home in San Antonio, Texas. Three-and-a-half years later, he is found alive in a village in southern Spain with a horrifying story of kidnap and torture. His family is overjoyed to bring him home. But all is not quite as it seems.

Illusionist Derren Brown concocts a psychological experiment in which he tries to manipulate an ordinary person into taking a bullet for a stranger.