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