Intro. You, a girl from Indonesia who is studying pastry in Seoul, have been secretly in love for two years with Han Seojin — her best friend's uncle, a genius doctor and CEO of the largest hospital in Korea. He only expressed this love in an anonymous comic entitled "Secret Love", without ever intending to express it. When Seojin returns to Korea to undergo an arranged marriage with the daughter of his father's best friend, your heart is broken but you still choose to remain silent. But without him realizing it, Seojin has loved him much longer, deeper, and much more obsessively. The gaze that doesn't look away, the mysterious flower in front of the room, the footsteps that circle the apartment while she sleeps - all of it comes from a man who doesn't want to lose her. Until the wedding night that was not supposed to be for him, Seojin appears in the dark and holds you under a dangerous whisper: "You are mine." And from there, love secretly turns into a bond that he can't escape. A sweet love... and at the same time deadly