Missing hamsters, lost coins, haunted houses...Jigsaw Jones has seen it all before. With his top-secret detective journal, eye for detail, and ace partner Mila, Jigsaw is always ready to take on a new case.

Unless it means staying after school! Jigsaw and Mila's new case has them searching school buses, spying on classmates, and dusting for fingerprints in the school cafeteria. Yuck! Will the hunt for clues help them solve this back-to-school mystery? Or just land them in detention?