Movie is based on the popular webcomic “Cheese in the Trap” by Soonkki which was previously adapted in the 2016 television drama series “Cheese in the Trap.”

Yoon-Jung accidentally calls a stranger, instead of her boyfriend, and has phone sex with the unknown man. When Yoon-Jung’s relationship with her boyfriend turns sour, Yoon-Jung meets Hyun-Seung, the stranger…