After an unpleasant encounter with a rat, Mr. Thompson assigns April to research the growing rat infestation. April heads for the sewers and after turning up nothing returns to Channel Six News to meet her deadline. However, she and Irma are forced to return to work on foot after all four tires of the Channel Six News van have been chewed by rats. Suddenly, they are being pursued by an army of rats and escape on a passing city bus. Back at Channel Six News, in the middle of April's editorial, the lights go out. When they come back on April is gone. The Turtles, who were watching April on TV in their secret lair, spring into action to locate their missing friend.