Contains spoilers for this episode and earlier episodes.
The detail serves warrants: Glekas’s warehouse is empty, weapons are found at Eton’s home, and Sergei and White Mike are arrested. Herc and Carver find heroin and cash at Nick’s house, but Nick escapes arrest. Daniels leaves Vondas on the street in hopes of identifying the Greek. The FBI raids the union office and arrests Frank; the agents delay taking their captives outside until the press arrives, turning the arrests into a public spectacle.
Frank visits Ziggy in jail and hears his son express remorse for killing Glekas. Beadie urges Frank to cooperate, and he agrees to help the detail in exchange for leniency for Nick and a safer jail for Ziggy, while refusing to identify union members. Vondas persuades Nick to arrange a meeting by promising help for Ziggy, leading Frank to reconsider the deal. Agent Koutris warns the Greek that Frank has become an informant.
Stringer tells Omar that Brother Mouzone tortured and killed Brandon, offering to give Omar Mouzone in exchange for ending his pursuit of the Barksdales. Omar shoots Mouzone, but Mouzone tells him that Stringer lied. Omar believes him and calls for an ambulance. Frank heads alone to meet the Greek beneath the Key Bridge, unaware the Greek has been warned.