Sequel to STRONG It's been four years since Key was forcefully taken away from Taemin by his father. Taemin, Minho, and Jonghyun now attened Seoul University. Taemin does his hardest to stay happy and to never give up hope on Key, but sometimes it can be difficult. What's even more difficult is getting ride of sweet Sulli, who thinks their ment to be and wont leave him alone. What happenes when Key finally returns for Taemin? Will their love be the same and can it with stand Sulli's attempts to make sure Taemin's heart is hers?