A WWII survivor encounters a Nazi collaborator. Malloy and Reed stumble upon his ambush plan during a routine night check. The pair use their humanity and police training before this vendetta causes another tragedy.

At the beginning of their patrol the officers are forced to wear long sleeves although the forecast is for hot weather. A call about a theft in a park leads to a tip that a man had his bicycle pump stolen from his bicycle and it might have contained drugs. Man complains about his grass being trampled by people shopping at his neighbor's never ending yard sale. When they investigate the sale, they find some of the items are stolen. The man running the sale is taking the items on consignment from a man who supposedly does repo work. They wait and arrest the man who gives them a tip on where a man wanted for murder is hiding leading to the man's capture. They learn that short sleeves were approved hours ago but missed the radio call. A drive through the park finds a woman in her car suffering withdrawal symptoms. After she is helped, they spot a man walking a bicycle. When confronted, he turns out to be her connection with drugs in his bicycle pump.