Sidney and Dre can attribute their lifelong friendship and the launch of their careers to one single childhood instant... witnessing the birth of hip-hop on a New York street corner. Now some 15 years later, she is a revered music critic at a national magazine and he is a successful, though unfulfilled, hip-hop record company executive. Both come to realize that their true life passions will only be fulfilled by remembering what they learned that day on the corner.

Shiino one day finds out that her best friend Mariko has committed suicide. After snatching Mariko's urn from her abusive father, Shiino heads to Marigaoka Cape, a place Mariko always wanted to go.