Perry Mason takes on a seemingly impossible case when Evelyn Bagby, a redhead accused of murder, claims she has been framed. Mason believes her innocence despite her possession of the murder weapon and the victim's necklace, leading him, Della Street, and Paul Drake into a complex trial that culminates in a dramatic courtroom showdown.

The premise sets up a classic Perry Mason legal procedural, focusing on Mason's unwavering belief in his client's innocence against overwhelming evidence. The narrative is expected to follow Mason's meticulous investigation and courtroom strategy, highlighting his skill in uncovering the truth. The involvement of Della Street and Paul Drake suggests a familiar and engaging dynamic as they assist Mason in gathering crucial information. The promise of a shattering courtroom climax indicates a tense and satisfying resolution typical of the author's work.