As Colonel Nutt is experimenting with explosives, a new janitor is joining his household. The inept janitor proceeds to make life difficult for the rest of staff. Meanwhile, a foreign agent arrives at the house in hopes of getting Col. Nutt's latest invention. The inventor throws him out, so the agent then employs a thug to get the formula. When police head to the Nutt home to start an investigation, a complicated fracas ensues. 　　译文(2): 纳特上校正在试验爆炸物，一个新的看门人加入了他的家庭。这个无能的看门人继续给其他员工制造麻烦。与此同时，一名外国特工来到这里，希望得到纳特上校的最新发明。发明者把他赶了出去，于是经纪人雇了一个暴徒去拿配方。当警察前往纳特家开始调查时，一场复杂的争吵接踵而至。