Michael Adamshick

The Famous Five have a moral dilemma on their hands when they're tasked with preventing the assassination of an infamous dictator and his family.

As serial killer Dr Madison Gray returns, McGarrett and Five-O find themselves sucked into her twisted mind games.

Claire and Charlie go missing, sending a ripple of panic among the other survivors. Jack, Kate, Locke and Boone quickly scramble off in search of the pair, following their footprints in the sand, and further secrets regarding the relationship between Jack and his father are revealed.

Disturbing memories from Hurley’s past cause him to struggle with a task he’s assigned inside the hatch.

When Hurley becomes obsessed with the French woman and heads into the jungle to find her, Jack, Sayid, and Charlie have no choice but to follow.