From the acclaimed filmmakers behind The Imposter, this three-part series tells the jaw-dropping story of one of the world's most audacious conmen who was convicted in 2005 for stealing fortunes and destroying multiple lives. But now, in an incredible twist, the story reaches into the present day, with a desperate family who fear for their mother's safety.

The father of an early victim raises the alarm with authorities about his daughter's safety. Decades later, the police chase down a bizarre lead.

As Robert continues to exploit and ruin lives, the authorities set a trap in London. Meanwhile, in the present, Sandra's children hold out hope.