Laurel & Hardy become trapped on the naked girders, each in the wrong pants, with a live crab to add to the havoc. After numerous near fatal mishaps they finally make it down in an elevator.
Laurel and Hardy In their haste to change into street clothes wind up wearing each other's pants, and a crab accidentally finds its way into Stan's trousers causing problems!
Laurel & Hardy keep trying to switch their pants back. But every time they go to some discrete location like an alley and start to remove their trousers, someone catches them and mistakes them for a couple of perverts!
Laurel and Hardy escape from prison with the help of a couple of confederates in a getaway car. But in their haste to get out of their prison stripes and into civvies in the back seat, they each put on the wrong pants.