The optimistic Xiong Dun is diagnosed with cancer on her twenty-ninth birthday. During her treatment, Xiong Dun gets acquainted with a naughty yet cute boy nicknamed Little Pea, and Xia Meng the Queen. Although they meet each other in the battlefield for their health, they somehow bring each other laughter through the mundane and painful moments.
Xiong Dun (Bai Baihe) has always been an optimistic woman. However, a series of unfortunate incidents happen on her twenty-ninth birthday. It culminates with her being diagnosed with cancer after she faints during her birthday wish-making. Xiong Dun copes with the help of the handsome Dr. Liang (Daniel Wu), a naughty yet cute boy nicknamed Little Pea and Xia Meng the Queen. Meeting amid the battle for their health, they somehow bring each other laughter through the mundane and painful moments.