The pesky pranksters are the Firebirds 'Mathieu and Emilie' and Extreme Pranksters (Christopher and Roseylne). They team up with digital effects artist Eliane Achkar and prosthetics and make-up wizard Adrien Morot to stage the biggest and best public prank on an unsuspecting public. Taking over a house in the suburbs, it's all hands on deck to rig the hidden cameras and special effects required to bring the pranksters' ideas to life. But which team will impress the prank-loving panel of Ranksters to win the chance to stage a mind-blowing mega prank on the target of their choice? It's a prank battle of epic proportions as Mathieu and Emilie's Dumb Smart House takes on Roselyne and Christopher's Animal House! For the winning team, the Effectors have planned the ultimate mega prank at an estate sale of a mad scientist!