On his first day as a fourth-grader, Sune is welcomed by an unwanted surprise. A new boy is in his seat, and he's everything Sune wants to be. Not only that, but his name is also Sune - it's the worst possible start to the fourth grade.
When a mysterious virus breaks out in an isolated army camp, a lazy reservist soldier and his tough commander must work together to survive, and learn what it means to be real soldiers.