"Sometimes life isn't a piece of cake... When Jingwen moves to a new country, he feels like he's landed on Mars. School is torture, making friends is impossible since he doesn't speak English, and he's often stuck looking after his (extremely irritating) little brother, Yanghao. To distract himself from the loneliness, Jingwen daydreams about making all the cakes on the menu of Pie in the Sky, the bakery his father had planned to open before he unexpectedly...