Minatozaki Sana, a Japanese native who came to South Korea to study but due to her outstanding results, she was given the opportunity to further her studies in America. At twenty years old, she left her second home to go and make a third at a foreign country, all alone in New York City. There, her story unfolded. She fell in love, got heartbroken, met new people and lost contact others. She spent six years in the big city and now she’s back in Korea with a ring on her finger. Whilst in America, she had met a guy and now, they’re getting married. Though the road that led them to their engagement wasn’t an easy one. Sana had to get through a handful of men before she finally met her fiancé. Her friends don’t even know who he is yet. Why? Sana likes the mystery, she likes surprising people. And that’s how it all became a game. A game to guess who Sana is marrying through her series of stories and tales of the men she met while she was abroad. Her friends patiently listen to her story every day, leading up to her wedding when she'll finally reveal who her ever-so mysterious groom is.