In "Camp Pleasant Lake," a couple breathes life into a new camp on an old campsite. However, their plans are disrupted when they become connected to a chilling past involving a 20-year-old mystery surrounding a missing young girl. As eerie events begin to unfold, they find themselves confronting forces tied to a brutal crime. The film navigates through a blend of horror and mystery, keeping viewers on the edge of their seats as the couple delves deeper into the dark secrets hidden within the camp's history.