When a conspiracy theorist with compelling evidence that JFK’s cabinet ordered his assassination is murdered, Five-0 investigate’s one of history’s most notorious unsolved mysteries.

Following Abbie’s huge sacrifice, Crane and Jennie find themselves at a loss. In an effort to save Abbie, Crane forms and unlikely partnership and Jenny confronts a former foe.

The battle between good and evil comes to an explosive head – sacrifices must be made, worlds collide, loyalties are tested and the town of Sleepy Hollow will never be…

After his relationship with Robin ends, Barney dusts off his “playbook” to help him back into the dating scene