When Nevin Lawrence and his widowed sister are killed in their bungalow in a sleepy Connecticut resort town, suspicion first falls on Nevin's young rival for the local country club presidency. When star detective Fleming Stone arrives on the scene, however, he discovers that the Lawrence siblings not only have no next of kin -- they have no past at all. One of Wells' better efforts, despite Stone's constant moping around over his failure to instantly crack the case.