Having grown up hearing her mother's favourite legend about Chang'e, pale moon's goddess who lives alone on the silent celestial body pining for Hou Yi, her long-lost lover, the brilliant thirteen-year-old girl, Fei Fei, is in for an unpleasant surprise. Then, as if that weren't enough, her doting father catches her off-guard by making a life-altering announcement, and Fei Fei's whole world comes crashing down around her. Now, determined to prove him wrong, Fei Fei sets out to build a home-made rocket and blast off to the stars. Does true love last forever?