In this chaotic world, two young plumbers, Mario and Luigi Barrio, struggle to stay independent from the Koopa utilities empire. Then one fiery summer day, the Barrio Bros. get an urgent call from Rick and Mack. The nasty Koopa has raised the temperature in their apartments to unbearable degrees - Just to watch them sweat - and the young men can't turn off the heat!

"They know how to fix your plumbing!"