Perfect Swapping

Seyeon and Chaehee live together like mother and daughter, relying on each other. One day, Seyeon’s boyfriend proposes to her. With nothing to her name, Seyeon begins a deal with Junghyun, a real estate agent who also happens to be Chaehee’s boyfriend. Unaware of what’s really going on, Jongwook finds himself drawn to Chaehee, his fake mother-in-law…