Primal Instinct

When her actress twin sister, Vanessa, is brutally murdered, Cinda Walters delves into the dangerous world of internet pornography and BDSM to find the killer. The murder is broadcast online, and Cinda finds herself stalked by a mysterious fan. With the help of the FBI, she uncovers a complex plot involving her ex husband, a large sum of money, and a faked death, forcing her to confront the dark side of internet fantasy and the people closest to her.