Sister-In-Law's Diary [700865] Released: 2019-09-20 Revenue: $0 Budget: $0 Profit: $0 Runtime: 70 mins Popularity: 0.7729 Vote Average: 5.5 Vote Count: 4 Overview: Gong-woo argues with her younger boyfriend, Gyoo-won, and goes to her sister Yeon-woo's honeymoon home. Yeon-woo's husband, Jeong-hoon, prepares some drinks for the sisters. Gong-woo and Jeong-hoon end up seeing each other in their underwear and after getting drunk, they cross the line... Cast [2] Kim Ji-ahGong-woo Sae BomYeon-woo Trailers