Two poisonings and two shootings at the Shore mansion on the thirteenth of October are no mere coincidence. Nor is the presence, in the neighborhood, of that celebrated man-about-murder, Perry Mason. Warned by the local police to stay off the Shore case, Mason refuses to do so Result? His secretary, Della Street, is indicted on a charge of hiding a witness. And Mason is held as her accessory! Watch the Mighty Mason extricate himself from this legal noose while solving the Shore mystery with his usual finesse