Ootomo Kyoichi, a weak-willed salaryman in a troubled marriage, is cheating on his wife. To his surprise, his wife hires a private eye to expose his affair - and the private eye is none other than Imagase, an underclassman Kyoichi knew in college. Imagase explains that he's gay and always had a crush on Kyoichi, so he offers to hide the infidelity...