After her parents are killed in an accident, mixed race British teen Leonora “Leo” Watts-Chan is sent to live with her aunt and uncle. But when her uncle begins behaving strangely, Leo decides she might be safer somewhere else, so she runs away to Glasgow, Scotland, to find her Chinese grandparents. The search is difficult, though, and desperate for something to eat, Leo attempts to steal from a snack van. After their contentious first meeting, Leo and the guy running the snack van, Finlay, unexpectedly form a friendship, and he eventually agrees to help her search for her grandparents. But when they discover that her uncle has tracked her to Glasgow, will Leo be forced to confront her difficult past before she can move to a more hopeful future? This is a nuanced look at a teen dealing with complicated family issues.