The Americans Season 5 Episode 14 Demilitarized Zone

STONE is masquerading as an arms buyer, dealing with a group of highly trained ex SAS Officers. CHURCH has infiltrated their group from the inside. As the sting is about to go down Stone is revealed as an undercover cop and taken hostage. The crim's leader executes a clever escape move and gets his entire team as well as Stone, out from under the noses of the surrounding Police.