Max Smart is the youngest of the Smarts, a family of inventors. Max feels like he is always playing second fiddle to his big sister and his parents. All three of them are super clever inventors who win prizes every year at Inventicon, the biggest inventor’s fair in the world. Max has never won a prize and his inventions always go wrong or explode. When the family is invited to the 25th anniversary of Inventicon, Max opts to stay home alone instead of coming along. But the invitation turns out to be fake and the family ends up somewhere in the middle of nowhere. Fellow inventor and arch-rival Elon Tesilon has ‘kidnapped’ the family on purpose and left them stranded in a place far away from the real Inventicon. Elon is determined to win Inventicon this year and now that the Smart family is out of the running, nothing is standing in his way… Except for Max, that is. Will Max succeed in rescuing his family with one of his own inventions?