A group of four young friends, known as “Team Spooky,” is tasked with unraveling the perplexing enigma of an old haunted castle. With experience from earlier investigations involving a deserted school and a rundown hotel, they are astonished to discover a link connecting all three mysteries. Each member of the team is motivated by different desires—be it scientific curiosity, romantic interest, or financial reward—but their primary objective remains uncovering the true ghost.