After the death of a close friend who committed suicide due to unrequited love, Jonas Kim vowed never to fall in love. And when his grandfather announces to him that he wants to marry him to the granddaughter of his old friend, Jonas, not wanting to offend the old man with a refusal, persuades his friend Viv to play the role of his wife. He is delighted with his plan. Moreover, he is sure that Viv will not claim his attention and love, and when the time comes, they can easily dissolve this fictitious marriage. But events are not developing at all as he planned...