When average everyday school kid Ace McDougal gets fitted with braces, a mix up at the dentist sees him catapulted into a world of super villains and hair-raising adventures! Wildlife expert Safari Bob gives a presentation at Ace’s school. But a mishap with the Enlargerator Ray sees Ace transform a cute little monkey into a giant rampaging beast!

Ace uses his braces cohesive manipulation ray to bring a T-Rex skeleton back to life and take on Ned and Hilda in a battle of colossal proportions! While trying to remove a loose tooth, Ace accidentally loses his braces only to have them wind up on his loveable oafish dog, Lunchbox.

When pro-skater, Toby Squawk announces a skateboard competition, Ace uses his braces to cheat and discovers he’s skateboarded straight into Ned and Hilda’s trap. When Ace babysits his Grandpa, the forgetful old timer goes from annoying to awesome when he unwittingly rescues Ace from Ned and Hilda’s clutches!

Dougal plans to perform his embarrassing chicken act at Ace’s school’s benefit concert, and Ace must find a way to keep his Dad off stage or face certain social humiliation. When Ace ignores Hugo’s advice and agrees to be sawn in half as part of Tina’s magic act, he learns that sometimes...just sometimes Hugo is right!