Farmer Slim joined a group of workers who were building power lines. Foreman Red taught him everything he needed, and soon they became friends. When they were fired for protecting their boss, another worker fell off the mast while drunk and died. They went to Chicago, where they spent money and visited Red's girlfriend Kelly. Kelly, Red doesn't want to marry her because if he had an accident, he didn't want her to become a widow - he also fell in love with Slim. On another construction site, Slim was stabbed by a private enemy of Red, who accused him of damaging the ladder that Red was about to use, which reached a height of 100 feet. Nurse Cally came to the hospital near the construction site and asked Slim to stand up again. If Slim stops working, Cali proposes to him, but he refuses and joins Red in a dangerous job of maintaining power supply during blizzards on the northern East Coast. As Cally, Red, and Slim know, working next to an 88000 volt power line means taking a fatal risk....