Charlie, forced to reevaluate her all-female mechanic shop, unknowingly confides in her online confidant Beau, who turns out to be her real-life business rival, their connection blossoms amidst professional rivalry.

星期三·亚当斯（珍娜·奥尔特加 饰）聪明、爱挖苦人，内心有点死气沉沉。在调查一起连环杀人案时，她在奈弗莫尔学院结识了新朋友，也遇见了新对手。