Valchek and FBI supervisor Amanda Reese hold off on apprehending Frank at home, wanting to make his arrest high-profile.
When he learns that Glekas was killed by Ziggy, Daniels is outraged that Landsman left him out of the loop and that their investigation has been compromised.
The Greek's associates refuse to talk under questioning, but White Mike gives up information on Eton and Serge.
After spending the night with Prissy and avoiding the raid, Nick returns home and is treated coldly by his parents as they clean up after the police.
Frank visits a jailed Ziggy, who expresses resentment that his father spent more time with union business than him, and remorse for killing Glekas.
Frank comes to the detail and agrees to cooperate, so Nick can get leniency and Ziggy can be moved to a safer jail, on condition that he does not give up any union men.
Frank decides to meet The Greek and Vondas alone underneath the Francis Scott Key Bridge, putting his son above his dreams for the docks.
[2][3][4] The title refers to the way that Frank's hopes to rejuvenate the docks by becoming involved with crime have had dire consequences for him and his family.
To get clean is to wash the blood off his hands that he never expected or wanted caused by a desire to simply keep his people at the port able to work properly and progressively.
He starts this process by returning to the docks to work a simple hard day's labor, and also by talking to the police about the smuggling organization headed by the Greek.
[1] The show subsequently won the award and the institute commented that "The Wire portrays mundane police work with tragic grandeur and, in doing so, captures the seemingly intractable problem of drugs in American society in a daring and unique way.