Mike takes a job chauffeuring loanshark Jack Shannon, but begins to have doubts about the wisdom of doing so after Grizz and Marcellus warn him that he's headed down a slippery slope. After he's goaded into beating up a man to collect on a debt for Shannon, Mike realizes that his friends are right that he's headed for trouble, and tells Shannon he's quitting. Shannon tries to entice him to stay by offering to call in a favor with the District Attorney and have the case which led to Mike's dismissal from the force thrown out. Although he's sorely tempted, Mike turns Shannon down. After Mike leaves, Marcellus appears and is greeted warmly by Shannon.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

Mike and Marcellus work together to free an innocent man caught up in the nightmare of being falsely accused of terrorism by an F.B.I. agent who runs amok under the cover of the so-called ""Patriot"" Act when bombs go off at the Criminal Justice Center; in a misguided attempt to help, Jaime uses Mike's computer to hack into the F.B.I.'s database, which only leads to landing Mike in custody as well; Mike uses his time in custody to figure out that the bombings might be personal rather than institutional attacks, and gives Jaime the opportunity to redeem himself by having him hack into the PPD's database to find the link between the victims, who ends up being an ex-con out to destroy the people responsible for putting him behind bars; Mike and Marcellus track the bomber down just in time to prevent him from harming the next victim on his list, his probation officer, who turns out to be Mike's neighbor Liz.

Bettina's client Brian is released on a technicality after being accused of murder, and he seeks Mike's help in finding out who actually committed the crime so that his name and reputation can be restored; Marcellus undergoes surgery and gets good news from his doctor and a rebuke from Deborah for keeping his condition hidden; Liz helps Brian find a job and place to live when his employer and his wife abandon him; Jamie uses his street skills and some fast talking to provide Mike with an impressive vehicle in his search for information to support Brian's story; when he unearths information about the victim which reveals that she and her family were not who they appeared to be, Mike traps the murderer and clears Brian's name; as Mike arrives to take him home from the hospital, Marcellus is shot by a man posing as an orderly.