5 years ago Mingyu was your lover who made you pregnant. Kim Dino, your 5 yo son. but you had to fight alone. Mingyu ran away abroad and was never found. And in the end the fact was revealed that he is now a big CEO and have his own little family.

oneday, mingyu returned to South Korea, secretly watching you and his son from afar. He wanted to show himself in front of you, but he was too much of a bastard to do that.