Sinful.

Colin O'Donoghue, a very young, handsome man who can make any girl fall for him, yet he was away from all the bad habits like drinking, smoking, having girls over him and etcetera. He made a promise to his father before his death which had to keep. Later, the young man slowly falls for someone he shouldn't be falling for.

Y/n, a 20-year-old dumb girl, who doesn't know anything about love or having a relationship with men, yet she suddenly falls in love with someone who can't be hers.

But what was the reason behind them not being together, his promise and her heart?

Let's find out what goes down for the two.

I don't own the images and everything is just for entertainment.