 Robin is carried away down a manhole by the Riddler and the Mole Hill Mob.Batman finds himself in no condition to pursue them and is forced to surrender his keys to the police at the most inopportune time.Meanwhile, at the Riddler's hideout, Robin is strapped to a table as the Riddler, who is surrounded by Molly and the Mole Hill Mob, attempts to operate on the unconscious boy.