Michael Cowell

Sawyer's wound becomes life-threatening as he, Michael and Jin make their way through the interior of the island with the tail section survivors. Meanwhile, Shannon is once again haunted by visions of Walt, and Charlie becomes jealous of Locke's interest in Claire.

Jenna Kaye seeks McGarrett's help in delivering a ransom to North Korea to rescue her fiancé. While investigating the death of a reporter, Five-0 comes across a link to Jenna.

A case from 15 years ago forces Grover to take his family on the run when a dangerous mob boss tracks him down to seek revenge.