SEASON 4, EPISODE 413 - Rush and Scotty reopen a 1998 accidental death case when new evidence suggests that it may have been murder. The investigators enter the picture-perfect world of the wealthy Williams clan but soon discover that no family is perfect, especially not this one. The once-gorgeous matriarch, Lauren Williams (Donna Mills - ""Knots Landing""), was stranded at her ex-husband's home during a snowstorm, along with her two children. However, when morning came, she was found face down in the swimming pool, and it was deemed an accidental death at the time. Armed with new evidence today, however, Rush and Scotty uncover family intrigue concerning money, sex and power.