Blackeberg, Stockholm, 1982. With nothing but liberating revenge on his mind, 12-year-old Oskar, the classroom's bullied undesirable, daydreams about getting even. But he is one, and they are many. As dark thoughts command courage, Oskar has a pivotal encounter with cryptic next-door neighbour Eli, a raven-haired stranger coming as a friend. Sometimes, all people want is a little push to keep them going. However, vengeance and justice don't mix. And blood never forgets. In a quiet suburb now rife with violence and murder, has Oskar placed himself in harm's way? With conflicting emotions challenging reason, can the boy forgive and forget to let the right one in?