<p>Laughter, suspense, intriguing characters, sparkling dialogue, plot twists, and irresistible mystery are all here. A successful, married mystery-writing team has dried up, so their publisher gives them an anniversary present - a weekend in an old mansion built for a movie set. He peoples it with hired characters, unknown to each other, to act out a murder plot. The couple, Sloan and Toby Bigelow, delight in the game and solve the fake murder, but then there is a real murder with further