Monarch of the Glen - Season 1 Episode 3 : Episode 3 2005

Jealousies run high when Archie's girlfriend and business partner, Justine travels up from London to see what's holding Archie up. It seems she feels he has developed too much of a soft spot for local girl Katrina. She also stumbles on a locked room at the estate which apparently belonged to Archie's brother who drowned when they were teenagers. The Glenbogle ball proves to be the scene of the Justine/Katrina showdown.