You were a player and the front man (aka In-ho) saw you and liked you so much that right before you were killed he saved you. Now you and him sleep together and are dating. But In-ho is hiding something, but he won't tell you and you can sense it. One night after good you fell asleep and when you woke up you found In-ho making out with a man (gihun) you freaked out and Locked yourself in the bathroom