A little orphan boy is the focus of attention, as well as his stepmother whose special qualities engender a certain mystery around her person – and hint at magical powers.

The film follows a boy and the relationship between his birth mother and step mother. Based on the novels by Aapeli.

10-year-old Vinski feels like an outsider and invisible among his age-mates, and even with his single mother Krista. Vinski meets a mysterious pharmacist who gives him a bottle of magical powder. A powder, that allows you to become invisible for real and walk through walls. It is fantastic to have the powers of a super hero, but soon a group of crooks becomes interested in the secret of invisibility as well.

The two eldest brothers of the Rummukainen family have come to conclusion, that their younger brother is indeed insane and decide to take him to mental hospital.