Kai Yuuki (Satoshi Tsumabuki) and his close friends are in their final year as university students. Each one is trying to decide his own plans for the future, and Kai goes job-hunting, with no luck. One day, he encounters Sae Hagio (Kou Shibasaki) playing the violin, and he is instantly mesmerized by her music.

Later on, one of his friends is set up on a date with Sae, but when he finds out that Sae is actually deaf, he convinces Kai to go in his place. His meeting with her is the start of an unexpected relationship, but its development is far from smooth...