Inspired by the true story of a disillusioned Englishman who went to work in a school in Argentina in 1976. Expecting an easy ride, Tom discovers a divided nation and a class of unteachable students. However, after he rescues a penguin from an oil-slicked beach, his life is turned upside-down.

Charlie Heller is a brilliant CIA decoder whose world comes crashing down when his wife dies in a London terrorist attack. When his supervisors refuse to take action, his intelligence becomes the ultimate weapon as he embarks on a dangerous trek across the globe to track down those responsible.

Trying to leave their troubled lives behind, twin brothers return to their hometown to start again, only to discover that an even greater evil is waiting to welcome them back.