Unsuspecting amateurs, lured by an intriguing ad, find themselves in a dimly-lit room, hands plunged into soapy water. But this is no ordinary hand wash. One by one, they're coaxed into exploring new depths, their hands disappearing into eager mouths, and soon, tighter, more forbidden holes. Fists pump in and out, stretching limits as moans echo, lubricated by sweat and saliva. These amateurs are in for a baptism of fire, their hands never just washing hands again.