First broadcast 7th June 1997.

A research scientist of primates is found dead, stabbed in the back with a Samurai sword, inside of a locked room.

Charles Kay - Elliot Strange
Annette Crosbie - Ingrid Strange
Sara Markland - Cathy Strange
Simon Day - Jordan Strange
Alan Davies - Jonathan Creek
Caroline Quentin - Maddy Magellan
Selina Cadell - D.I. Masterson
Barnaby Kay - D.C. Spelling