The lives of the team members are in danger when they discover the identity of the Port-to-Port killer.

An investigation into a Marine's murder leads to a surprising discovery; Abby and McGee head south of the border.

The death of a maid has a profound effect on Aubrey when it exposes a crime far bigger than he and Booth could have imagined.

Don's team investigates when two members of a unit led by his former mentor are killed during a shootout with bank robbers.

The Walkers are coming to terms with the financial loss of Ojai Foods when they discover some hope in the form of one of William Walker's covert investments. Elsewhere, Kitty and Robert go on the campaign trail, Saul has a test that sets his nerves on edge and Justin and Rebecca consider having some time apart. Is this the end for the newlyweds?

After the man who killed Horatio's wife breaks out of prison, he goes on a rampage as the team attempt to find out what he is looking for.

Dr. King orders a shape-shifter to infiltrate the Powell house and kill one of them; J.J. tries to solve the murder of his ex-girlfriend's mother.