Lance corporal Daniel Zuna, on leave from USMC Camp Pendleton bio-lab guard duty, is found by a paparazzo, killed outside nightclub 420 by massive bloodless from the face. He was heavily involved in sergeant Victor Janklow's mixed martial arts (MMA) gym's team Blood & Gut Warriors, flooded with (former) marines, and had fatal blood thinner in his blood on top of the 'usual' substance abuse. The team investigates the fighters' unpleasant post in Iraq under platoon CO lieutenant Scott Davis. Meanwhile Sam goes undercover as fighter, but it turns out LAPD already has a plant, competent, dedicated detective Mark Deeks. Written by
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Special Agent G. Callen
Sam, take him out. Take him out fast. The longer this thing goes on, the better chance he has of getting lucky. Do you hear what I'm telling you?
Special Agent Sam Hanna
G, I'm going to be okay. Trust me.