Actor Zhangzhe Kai (K) father passed away with cancer after being abandoned by his mother, actress Song Yuanyuan (Cream) parents and sister died in a car accident occurred out, they lose their families from high school, becoming the only each other's closest friends and family. From the age of 16 spend with each other live together with each other, but they love each other very far away, because K suffering from hereditary cancer relapse from time to time, fearing damage to Cream, it was decided to conceal the truth, dare to promise Cream. K a birthday wish, hope Cream can find someone to love and marry her, along K Cream also hope to know the dentist Yang Youxian at the party ...... started a love Xiang Xi can not afford to spend gave commitments sad love story.