Rather not trying because you could lose, means living in a house made out of cards.   The feelings of other people and their point of views are hard to comprehend and understand, even if that someone is really close to you. Never think there is nothing more to it.  

A love that conquers everything. A love that tries to resolve every problem with only them. But can this love remember who you are and what are you in his life.   Chanyeol leave to america to expand their family business in there. He didn't expect that everything will change because of that expansion. He didn't expect that everything will be erase from his mind once he wake up from that accident. An accident that will change his life and forget who he really love.