When an uncle's last-chance marriage brings a mysterious girl into a Russian-Canadian teenage boy's life, their burgeoning relationship upends his social standing and threatens to tear his family apart.

In a school full of refugees and immigrants in early 2000s America, a teacher shares his traumas with his math class. Meanwhile, a cop tries to prevent a young Vietnamese boy from murdering a fellow student.

In inner-city 1980s Boston, a middle-school boy must care for himself and his baby half-brother when their mother runs away to Texas.