The Last Ship

"El Toro" - Sunday, July 20, at 9 p.m. (ET/PT) Rating: TV-14-DLSV

With Rachel close to a breakthrough on her vaccine, she, Chandler and XO Slattery lead a small team into the jungles of Nicaragua on a mission to find monkeys for her vaccine trials. While there, they find much more than they bargained for when they run across a former drug kingpin who will stop at nothing to maintain his stranglehold on his oppressed society. Chandler and his men find themselves in a huge moral dilemma over whether to eliminate this menace or take what they need and continue on with their mission.

Directed by Paul Holahan

Written by Hank Steinberg and Cameron Welsh

Created by Hank Steinberg & Steven Kane

Based on the novel by William Brinkley