Contains spoilers for this episode and earlier episodes.
Nick looks for Frank after his uncle fails to return from the meeting and sees his body pulled from the harbour. At his father’s urging, Nick turns himself in and identifies Vondas, Eton and Serge, then recognizes the Greek in McNulty’s photograph. He cannot provide the Greek’s real identity or much information about the operation’s leaders. Ziggy is sent to prison, while Nick and his family enter witness protection.
Bubbles and Johnny are arrested for stealing medical supplies; Bubbles tells McNulty and Greggs what he knows about Mouzone’s shooting and Stringer’s arrangement with Joe. His account gives the detectives a new lead. Omar and Butchie realize Stringer set Omar against Mouzone, and Omar vows revenge. Stringer visits Mouzone in hospital, whose response makes Stringer wary that Mouzone has understood his role. McNulty and Greggs photograph Stringer meeting Joe.
The detectives obtain Philadelphia security footage linking Serge to the crewman’s abduction, then question him about the killing. Serge admits Vondas killed the man in retaliation for the Jane Does. The union is decertified after members re-elect Frank in solidarity. The Greek and Vondas escape, while Joe receives drugs and new trafficked women. Unable to find work at the docks, Nick finally walks away from the waterfront in the rain.