Jojje, Roffe, Sivert, Lillen, Peggy and the dog King are a tight-knit group of friends. When it turns out that King is sick and soon to die, his friends decide to give him his best time.

Summer of 1959. 11-year old Osvald spend his summer holiday with his parents in the countryside of Södermanland. His father has promised to play soccer with him and get some exercise. He also promised the locals to teach the church choir an Argentine mass. The father has a slight alcohol problem, so will he be able to do it?