Matsumura Ryouko is a popular novelist in her 50s who has just found out that she has Alzheimer’s disease. In order to gain some fulfilment in her life, she decides to be a guest lecturer at a university. Through one of her students, she meets a South Korean exchange student, So Chan Hae. As they become closer, they fall in love.
Shogo is left blind and mute from an accident but he is able to live a fruitful life as a composer. He receives ongoing therapy from the hospital where nurse Kana works. Just when their relationship is about to blossom into romance, tragedy strikes when Shogo is killed in a car accident. At the moment of Shogo's death, a shooting star falls and gives him the chance to live again for four more days. But he is unrecognizable to his friend and forbidden to reveal his true identity. Shogo decides to express his feelings of affection to Kana.
