Andy and Mika try to get home and find answers to the chaos descending upon the world. Elena braves police and looters in Calais to get Sam his eye medication. Laura and Owen must evade the threat that seems to appear at every turn.

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.