My Sister-in-law's Secret Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. A sister-in-law goes to a motel with her girlfriend. She runs into her brother-in-law who is cheating on her sister. The sister-in-law's blood boils but there's nothing she can do about it because now he knows she's a lesbian. They make a deal to keep each others' secrets but the sister-in-law ends up having a threesome with her brother-in-law and her girlfriend. Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : ah, jin, Kim Ji, Jo Wan, Sae Bom .