Kyungsoo is a nerd and he is abused by his alchaholic father after his mother died, he has a disease and is going to die unless he gets an expensive treatment but he already works three jobs to play for his farthers gambeling debts.  Kai is rich, he is a popular player and bullies nerds, he has a dark secret. His grandfather is forcing him into an arranged marrige with Kyungsoo. Suho is Kyungsoo's best friend, he loves Kyungsoo though. He is rich because his parents are doctor