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.

玛雅在一场暴力袭击事件中幸存了下来，但她还要面临着蒙面杀手的无情追捕。而在这部三部曲的第二部中，当她在为生存而战时，她揭开了蒙面杀手背后的可怕谜团。