Lee Kang-Doo dreamed of becoming a soccer player. His father died in the accident and he broke his leg. He spent 3 years in rehab. Now, he doesn't have anything and just wastes his days. Lee Kang-Doo then meets Ha Moon-Soo. She also endured an accident that killed her younger sibling. She has suffered from guilt that she survived. She has lived her life earnestly, while suppressing her feelings. After meeting Lee Kang-Doo, Ha Moon-Soo begins to express her hidden feelings.