The adventures of Happy and the mystery solving crew aren't over. There are still plenty of mysteries to solve and plenty of crooks hiding behind masks to be unmasked. There's still plenty of fun and excitement to come, but that also means there's some real danger out there. The gang will have to be brave to face whatever comes their way.

Four regular school students and their cat are also detectives for the supernatural. After they solve a mystery, they go around and solve a series of other mysteries that involve monsters, ghosts, and more. Don't miss the traps, the mystery solving, and the unmasking.

Velma could push her luck.