The NCIS team is on the case, after a helicopter crew's routine training mission turns disastrous at sea.
Ezra's new family situation eats away at Aria; Jamie is haunted by his shady past; Spencer seeks answers regarding Mona's stay in Radley Sanitarium.
Spencer takes her anger out on Mona; Hanna devises a plan to bring Caleb and his father back together; Aria spends more time with Wes; Emily and Jason try to determine what happened during Ali's vacation in Cape May.
Alison's remains are returned to her family; the friends are divided over paying their respects again; Emily seeks help with her unresolved feelings over killing Nate.
The CSI team investigate a curious case of a man who appears to have been killed twice. Delving deeper into their investigation, they find themselves pulled into the world of high-stakes hustling, pool and prostitution.
