Lex is a 19 year old girl who since she was little dreamed of being in a reality show. She decides to go online and sign up in raffle where a luck winner will have the chance to be the main character in" What if?"  In this reality show people don't know what they are going to do that's why it's called what if meaing what  if this happened?   The funny part is she actually gets chosen for What if ?  but once they tell her that she must move in with a kpop group named Block B in South Korea she's not sure if  this is her dream coming true or a nightmare. Will she be able to survive not falling in love with one of them or all of them falling in love with her?