Aspen, an avid detective enthusiast, becomes intrigued by the vacant old house at the end of her street. While the townspeople believe it to be haunted, Aspen is determined to find a logical explanation for the strange occurrences. Together with her friends Max and Lily, they embark on an investigation, exploring the eerie house and uncovering secrets hidden within its walls. With the help of the town sheriff, they discover a secret room and a locked chest containing old photos and letters. As they piece together the story of the house's previous inhabitants, they debunk the haunting rumors and reveal the truth to the town. The house is transformed into a museum, and Aspen and her friends are invited to be part of the project, leaving Aspen thrilled with her successful quest for the truth.