For the past few weeks, the town of Goudacity has been under pressure. Young girls have been disappearing from the University district. There's even talk of the return of Bob the Screwdriver! Blateman and Bobine have been called in by the town's mayor and, in partnership with detective Obamo, are tasked with finding the perpetrators of these kidnappings... But nothing is simple in Goudacity, especially when the threat seems to come from... the sewers!