Garibaldi tries to save himself some money by doing some unofficial police work for a guy whose car he rearended; Belker is left exposed on his latest undercover by agents from another agency; and the mayor's gang appointee to the Youth Commission comes under fire for favoritism.

Calletano prepares for a game show appearance; Renko tries to organize his wedding attendants; Peabody goes to the loan sharks Belker has infiltrated; and Furillo has to deal with renewed gang violence and Joyce's decision to take some time alone.

Belker's loan sharks commandeer a prison bus and demand him in exchange for their hostages; Goldblume tries an unusual video-dating service; Renko has second thoughts as his wedding approaches while Coffey ""invests"" the wedding present money.