During an internship on a film set in Romania, the three detectives investigate eerie occurrences at an old castle. They uncover a mystery surrounding a missing child and a mysterious amulet. The Carpathian Hound: In Rocky Beach, an art collector's house is supposedly haunted. When a valuable crystal figurine is stolen, the boys must find the thief among the eccentric residents. Isle of the Dead: A mysterious phone call leads... see more