Jaime Karín, astrologer and occultist, uses his wife Clara to obtain information about his future clients. Thanks to her he discovers that millionaire Vittorio Romano died when he found out about his wife Ada’s infidelity. Karín pretends to be a friend and confidant of Ada’s husband and she tells him that she and her lover killed her husband in order to get his fortune. Ada plans to eliminate the lover and proposes to Karín that they do it together and split the fortune.