Nate Yu Riley loves three things: his Switch, his ant farm (especially Betsy, queen of the colony) and his family.

He's not so sure about some other things, like moving to a big city, starting a new school, and his parents making him do Chinese stuff. They're always trying to get him to embrace his heritage, but Nate can't speak Chinese, and he doesn't know anything about Chinese customs. But when Nate comes across an old shell casing engraved with a Chinese dragon, he can't stop thinking about it.

And when he touches the shell, someone extraordinary appears. A ghost from long ago. Someone who needs Nate's help - and Nate might just need his, too ...