Make Peace, Not War - S1.E7

Dempsey takes the place of American hit-man Schwartz to infiltrate a gang of drug dealers who are lacing T-shirts with heroin. Little does he suspect that their main contact, Lei Shan carries a grudge against the real Schwartz. When Makepeace gets her hands on one of the T-shirts via one of her contacts, the undercover Dempsey finds himself forced to bump her off.