Movie Reviews: "Fiancees Sister"

After studying abroad, return. Yeon-yeon visits the house of her sister and future brother-in-law Woo-jin. Before meeting, the younger sister received an urgent call from the company and the possibility of having to go on a business trip. Woo-jin will have to stay alone until his fiancée returns from a business trip. Surely this is not pleasant for Woo-jin, especially when there is a woman in the house who is even more beautiful than his wife, older sister Yeon-yeon. And no matter what happens, both have betrayed the person they love the most. When she returns from a business trip, her younger sister Su-eon feels that there is something shady between the two, sister and future husband. Where will the relationship of all 3 go?