Due to debt, Yuuya is threatened by yakuza and forced to work at demolition and industrial waste sites. One day, his health deteriorates, making it difficult to continue laboring. The yakuza member Takimoto makes a cruel proposal: bring Yuuya's wife Rio to the site to work, and additionally use her as a sex slave. Unable to resist, Yuuya has no choice but to accept. Rio, wanting to protect her husband, reluctantly gets dragged into the site, facing a new hardship.