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 and Mika are hunted while they search for the cause of the global crisis. Elena and Sam try to flee France to reunite with Laura. Laura and her friend Owen grow closer, unaware that a mysterious man tracks their every step.

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.