Police sergeants Johnson and McManus take on Los Angeles confidence tricksters. Con man Tony Wells, lining up rich widow Jessica Royce as his latest mark, sets up a false paranormal society with other charlatans to convince the credulous Jessica that her late son is speaking to her through their sham seances. When the plan leads to murder, Johnson and McManus must bring the group down before they kill again.

Dos agentes de policía son encargados de desbaratar una organización de timadores. Los incautos son atraídos ante la posibilidad de ponerse en contacto con seres queridos ya fallecidos. Un experto timador reúne a una banda ante una víctima ideal: una viuda millonaria cuyo hijo murió en la guerra en Europa.