The 1999 case of a 24-year-old woman who was the co-CEO of a start-up Internet company who was found dead in a rowing scull on a city river. Lilly reopens the case when a threatening letter addressed to the woman turns up on a computer that was donated to a school. The investigation reveals that the woman's company was losing millions and that she wasn't well liked by her employees. Meanwhile, Valens believes a man who threw a woman into a river from a bridge may have killed Elisa as well.