A chance encounter with her old British intelligence friend Michael Hagarty leaves Jessica standing over a dead Bulgarian diplomat and accused of murder. Incarcerated, she has to leave it up to Grady and Michael to prove her innocence.
Lee Goddard successfully coaxed Jessica to join him at his ranch in Arizona after the harrowing events of the previous episode, but intrigue and murder follow them there when a mysterious psychic joins them.
A vindictive, tell-all work of fiction mirroring Cabot Cove sends the townspeople into an uproar, and when a murder occurs following the plot of the book it's up to Jessica to separate fact from fiction.
Jessica heads to Montana to aid a young friend editing the last manuscript of the late writer Trevor Hudson, but when murder results she must weed through the lies of Hudson's scheming family to uncover the truth.
Jessica encounters a man in Boston whom she is convinced is her neighbor from years back, but when the man denies it--and his wife claims the man is dead--Jessica recruits Harry McGraw to dig to the bottom of the mystery.
Eudora McVeigh, a rival mystery writer, arrives at Jessica's door with seemingly friendly intentions, but the discovery of a corpse and a web of deceit follows her to Cabot Cove leading Jessica to suspect the woman of ulterior and sinister motives.