The biggest wish of ordinary office worker Chie Nagashima (Nana Eikura) is to be able to wear a wedding dress and be a beautiful bride. She met Taro Akashi (Eita) at an exhibition and started dating. When happiness just came, she was diagnosed with breast cancer. Chie couldn't accept this fact, and she didn't know how to tell Taro. A few months later, Chie confessed her illness to Taro, and in order not to cause trouble for Taro, she chose to leave completely. However, nothing can stop Taro's love for Chie. He pursued Chie to Yakushima and asked to fight the disease with Chie. Chie was moved by Taro's love. She endured the pain and torture, actively cooperated with the treatment, and hoped for a miracle. However, at this time, the bad news came, and Taro and Chie's family were told that Chie only had one month left to live...