In the midst of a series of brutal murders in Westland, New York, a young girl becomes a witness to one of these horrific crimes. As she trembles in fear, the murderer's attention turns towards her with a menacing knife in hand. Returning to town with her friend Jo to commemorate Shirley's 'birthday,' Meg reminisces about their shared past as orphans who had designated this special day. Their history intertwines with caring for Shirley and other children, who were later adopted by the righteous police officer, Sam. A chance encounter leads Meg and Jo to assist someone, enabling them to purchase a gift for Shirley and visit Sam, only to discover troubling news about Shirley's tragic assault. Driven by grief and anger, Jo suggests seeking revenge on the assailant, but their plans are interrupted when the murderer lurks closer. Amidst the looming threat, a sinister conspiracy unfolds, enveloping Meg, Jo, Sam, and the entire town in darkness.