Buster Keaton and Virginia Fox play young lovers who live in tenements, the rear of which face each other, with backyards separated by a wooden fence. Their families feud over the lovers' relationship, resulting in much mayhem and slapstick.The Romeo and Juliet story played out in a tenement neighborhood with Buster and Virginia's families hating each other over the fence separating their buildings.
女主角被贪污刑警爱人陷害后,想杀死贪污刑警未遂入狱。在牢中,女主角曾尝试越狱,但失手被抓,连累狱中同囚被狱警无理欺压。贪污刑警雇用监狱中女囚,企图暗中杀人灭口,但未能得手。其後,囚犯因不能忍受狱警的无理虐待,触发暴动。女主角成功趁乱逃狱後,化身黑衣复仇天使,亲手手刃仇人及相关人员。