The kids discover Stan's collection of wax sculptures, and Mabel decides to create her own. But when someone sabotages it, it's up to her and Dipper to solve the case.
Grunkle Stan learns his wax sculpture of Abraham Lincoln has melted, and Mabel makes a wax sculpture of Grunkle Stan to replace it. Next day, they discover someone has stolen the new sculpture's head. Dipper and Mabel set out to find out who did this crime.—Anonymous