The murder of a petty officer sparks a lead in a 40 year oldairport bombing cold case that Gibbs and DiNozzo have beenassigned to for the past two years. Also, McGee is jealousthat he was not previously briefed on the cold case.
War comes to Coulson's doorstep in a way he never anticipatedas shocking revelations are brought to light, and Skyestruggles to control her new abilities but will soon make adecision that irrevocably changes her life.
As Liv and Detective Babineaux investigate a hit and run case,they discover the victim was a sociopathic hit man responsiblefor the murder of a tech entrepreneur, a case that Peyton isprosecuting. Liv and Ravi dig deeper into a supposed zombiesighting that was posted on line which leads Liv to make asurprising discovery about someone from her past. Major [RobertBuckley] moves on with his life and Peyton is shocked by Liv'sreaction.
An ocean adventure is up for grabs as the teams try to impresschef Gordon Ramsay during a cheese challenge. Later, emotionsare elevated as the 14 remaining contestants work to avoidelimination and complete a star-studded dinner service.
A copycat killer who goes by the name ":TheTrickster" starts setting off bombs in Central City. Inorder to stop the villain, Barry and Joe meet with theoriginal Trickster, a criminal mastermind named James Jesse,who has been imprisoned for 20 years. Things quickly go frombad to worse when the Tricksters unite and take Henry prisoner.Meanwhile, Iris asks Eddie for help with a case, andflashbacks show how Harrison Wells came up with the idea forthe particle accelerator.