MR. & MRS. MURDER is a comedic murder mystery series from Australia following the adventures of married couple Nicola and Charlie Buchanan (Kat Stewart and Shaun Micallef), who run an industrial cleaning business. She is a clean freak with a heightened sense of justice. He is a bit of a social misfit with an encyclopedic knowledge of just about everything. They specialize in crime scenes, and using this experience become amateur sleuths.