The beloved sleuths of Mystery Inc. are back, but this time, the ghost they’re chasing may be their own. In Mystery Inc. II: Curse of the 13th Spirit, directed by Caden Chaffee, the gang—led by a determined Jacob Chaffee in the role of Shaggy—finds themselves thrust into a chilling new case when a long-dormant, thirteenth spirit is accidentally unleashed during a routine paranormal investigation. As bizarre occurrences plague the quiet town of Coolsville, the team must rely on their wits and courage to unravel a centuries-old curse that threatens to consume them all. Jackson Gilman, Derek Macri, and Mars Czarnecki bring fresh energy to the iconic characters, each grappling with their own fears as the supernatural stakes escalate. With a comedic tone that balances genuine thrills with laugh-out-loud moments, the film explores themes of teamwork and facing the unknown. As the clues grow darker and the spirit’s power swells, the gang realizes that some mysteries are better left unsolved—and that the greatest danger might come from within their own ranks.