In modern day Reykjavik, a single mother of four is desperately trying to make ends meet. Fighting a losing battle with her ex-husband for custody over her three daughters, Karitas is oblivious to what is happening with her twelve-year-old son Gudmund, who is a victim of brutal bullying at school. Gudmund`s only friend in the world is Marino, a schizophrenic in his forties who lives with his mother in the same apartment building. When Marino realizes that his mother has secretly been dating a stranger, Marino starts to lose his grip on reality. Gardar is an underworld enforcer who makes a mess at work, and is exiled both from the underworld and his family. Forced to make a fresh start in life, he decides to seek out his son, Gudmund, whom he has never seen before. But the straight and narrow is a tough path to follow. These stories entwine to create a powerful symphony of redemption and revenge, and present a look into the roles of children and the underdog.