The emotional journeys of a widow and the man her husband loved. Kind, handsome and talented, Da Wei found success at a young age as an architect and built a happy marriage with Mei Xiu. In the eyes of outsiders, they are the perfect couple. After going through a near-death experience, Da Wei begins to fear that his life will end in a lie and finally chooses to confront his true self. He meets and falls in love with Guan Jie, and the two secretly carry on a relationship for a decade until his death. After Da Wei passes away, Mei Xiu finds that he left behind a wish list for her. The wish list leads her onto a meaningful trip around the city she calls home, and along the way, she encounters and befriends Guan Jie.
The film follows Robinson, a very succesfull real estate broker, who lives in a modern hotel in Taipei. But all the success also hides a lonely man, whose relations are becoming distant, including friends and lovers; Robinson's dream is the Crusoe, an island on the Caribbean, which he wants to try purchase.
There is usually only one full moon every month, but occasionally there are two – and that second full moon is called the Blue Moon. It is said that when a person sees a blue moon and makes a wish, he will be granted a second chance in things.
