Four friends solve several mysteries around their school and hidden laboratory.

Classmates Quinten De Koning, Kamiel Mertens and their girlfriends form a band which rehearses in Sofie's father baker Geert Verlinden's shed. But they secretly installed a cool, top-notch lab behind it, where whiz kid Quinten supervises the solving of criminal and other mysteries in their environment.—KGF Vissers