In Joo, who had lived a lonely, abandoned life, encounters Jin Do, a bright, warm:hearted man: Jin Do is the first person in her life who takes care of her and gives her love: For the first time in her life, In Joo dreams about being happy for once: But now, In Joo has one last request: she wants Jin Do to let her go, like a summer cold that people have no regrets after suffering:
