 After a mysterious two-year absence, Hartley Bassett returns to reclaim his company. His wife Sybil is at a stockholders  meeting to vote with company president Peter Dawson to restructure the business after accusations that her husband embezzled funds. Bassett bursts in and breaks up the meeting. Sybil s son and Bassett s stepson, Dick Hart, is in San Francisco on company affairs. While there he marries gold-digger Teddi. Dawson consults with Perry Mason about the situation, confessing that he is in love with Sybil. At the company offices Perry, Dick and Teddi find Hartley Bassett murdered, clutching a tuft of hair from a toupee. Dawson wears one, but is not the only owner of a renegade rug. Teddi disappears, Tragg arrests Dawson, and Perry runs a desperate con to flush out the murderer.