Eunhee has no recollection of the man she once loved and has been living life to the fullest without this knowledge. Sunggyu believes he doesn't have the right to reach out to the woman he once loved due to inadvertently causing Eunhee her forgotten memories of him.

Jongdae has never been good at letting go of the past. There are too many memories, too many emotions for him to relinquish. In his refusal to act like they never existed in the first place, he continues chasing these precious memories that are akin to falling leaves. However, he doesn't realize that this is preventing him from maturing into the blossom he see

'it's been a while.' and so it has. when myungsoo left his hometown, he never planned on coming back, yet life has a funny way of digging up the past. faced with the guilt and regret of ten years ago, myungsoo finally learns to let go. 'sometimes, without me realizing, i feel like my heart will be revealed.'