As a full moon hangs over the city, the rookies are unnerved by a series of strange occurrences. While investigating the bizarre theft of three severed heads from a medical lab, Andy and Swarek track a disturbed man whose obsessive behavior makes him suspect. In an effort to protect the life of a young woman who may be the next target, Andy places herself - and, inadvertently, Luke - in a potentially fatal situation.

Source: ABC