Krystal and Amber have something in common. They both love the YELLOW color. For Krystal, she'll get easily inlove to a guy whose favorite color is YELLOW. And so it was Amber believes. But a painful past of Amber's life was the reason why instead of liking her, he was annoyed with Krystal. Krystal is looked exactly like the woman who caused his brother's suicide, Yuri. 

What if the man you loved has a hatred on you? This was the situation is Krystal's facing of. Can she take away the anger of Amber to her or he will eventually fades in her life?