Julia, Emily and four of their friends head off to a remote cabin on an island. It's a party to celebrate Lavinda's upcoming wedding to Cedric Maxwell. Cedric's sister is part of the party and she and her brother own the family retreat. Julia is obviously not happy and confides in Emily. Before long however, the women are being killed, one by one. Still reeling from Julia's rejection of his marriage proposal, Murdoch immerses himself in his work. When a drunken Crabtree challenges Leslie Garland to a curling match, he has to put a foursome together. Murdoch declines an invitation to join but applies his scientific approach to helping them play better.