The current song playing would be tattooed on you and your soulmate's wrists at the exact moment you meet, what would happen if Choi Yujin who has been looking for her soulmate all her life just so happened to be wearing her headphones when she crosses destinies with Shen Xiaoting? 

Two girls met for the first time,or is it... As they chase their dreams together,but little did they know, they've been crossing each other's path... Temporary or not,their hearts already collided, undecided, unexpected,their love must be protected.