A woman comes into the station to report that she is being harassed by a group of clowns living next door to her. She tells them that they make too much noise all through the night and can often be seen participating in orgies through their windows.

A disabled man is beaten up and robbed in his own apartment. Jack and Nona try to help him out and recover his precious stamp collection. A collection built up over the years and full of memories.

Terry begins his undercover assignment. Kevin Patrick has trouble coming to terms with his disabling injury and Jonas takes up his new post.

A badly wounded woman leads the precincts street cops to a house with six dead bodies, all tied up with their throats cut. The investigation starts to find those who committed this crime.

Elena, Jack's ex-girlfriend, is found dead in an alley, shot three times. The prime suspect is a Latvian businessman who she had often been seen with in a coffee bar.

Santoro is asked to help out his nephew with a few speeding tickets and ends up losing his temper with the highway cops and insulting them.

Doyle and Ray keep being called to the apartment of a couple who are continuously fighting.