Joe and his agents infiltrate a dating service in order to catch a woman who is suspected of killing several of her past dates. Caroline Glenwood is a lethal temptress, suspected of murdering more than one of the wealthy men she has met through dating services. Joe, posing as a potential suitor, puts his crew in place posing as dating service employees in order to stop Glenwood before she kills again.

Joe and his agents go undercover into the world of thoroughbred horse racing to take down a trainer suspected of murdering his horses.