While My Husband is Asleep

After losing her child, Yeon Hee-seo finds herself trapped in a cold marriage with Seon Jeong-woo, the heir to a conglomerate family. When she is told she cannot have children, her husband's family deems her useless and tries to get rid of her by forcibly committing her to a mental hospital. However, a tragic accident changes everything. Amidst lies, betrayals, and secrets slowly being revealed, Hee-seo begins to realize that the marriage she once thought was loveless may hold a truth she never imagined.