Fredrik, nicknamed "Silver mouth" for his braces, lives with his father in Oslo. While the two share a loving relationship, Fredrik has trouble adjusting to the idea of his father becoming involved with a new woman. After visiting his mother, who lives in another city, he attempts to sabotage his father's relationship.
On a dark night, under a full moon, a childless couple find a crying baby on their doorstep and decide to adopt him. As the years pass, they come to discover that their young son is not like other children.
