 A thief named Wally steals expensive automobiles, then has one of his two female accomplices (Ann and Norma) forge registration certificates and sell the cars upstate in well-to-do suburbs before their status as stolen cars is widely known. Dan Mathews finds out about the scheme when Officer Dorsey beings in a car theft suspect named Joe Ramo. When Ramo actually turns out to be a victim, Dan and Officer Dorsey check out "cars for sale" ads in higher-income areas upstate areas. Posing as "Mr. Daniels", Dan answers an ad placed by Ann and is offered a near-new luxury sedan for $3,900. When her background story proves false, Dan and Officer Dorsey enlist the aid of the Lakewood National Bank to set a trap for the three thieves.