Andy Yeats is stuck in the Middle East, separated from his family; as a global oil crisis unfolds and the world descends into chaos, his wife and young son are in Paris and his teenage daughter is home alone in London.

Andy begins working to help solve the global crisis and reveals his personal connection to its cause; Elena and Sam illegally cross from France to England, but they are captured, detained and separated; Laura and Owen face the man following them.

Faced with the choices of his past, Andy takes on the mastermind behind the crisis to save his family and modern civilisation; Elena pieces the clues together and discovers the location of the culprits.