The story follows three American art students—, Whitney , and Lorna —who are studying abroad in Rome. While looking for a weekend getaway, they are lured by a sophisticated European acquaintance, Axelle , to a luxurious natural spa in a remote Slovakian village.

As the girls are captured and taken to a high-tech torture facility, the horror begins:

is an aggressive, "macho" type who views killing as a rite of passage to earn respect.

Across the ocean, two American businessmen, and Stuart , enter the auction.

is more hesitant and repressed, eventually revealing a deep, bitter rage fueled by his own frustrations.Todd wins the bid for Whitney and Beth, bringing a reluctant Stuart along for the "experience". Descent into Chaos

Unbeknownst to them, the moment they check into their hostel, the clerk scans their passports and uploads their photos to an international underground auction site run by the . Wealthy "clients" from around the world begin bidding on who gets to torture and murder each girl. The Bidders