When Evelyn Henshaw comes to Rosa Epton's office demanding that in the event of her disappearance her husband be investigated for murder, Rosa is more than a little doubtful. Hesitant to take the woman on as a client, she is drawn in when Mr Henshaw subsequently arrives at her office claiming that his wife has disappeared.

And when the young lodger living in the couple's home turns up dead, Rosa must unearth the skeletons of the couple's troubled marriage and fit together the pieces of a complicated puzzle.