By Tanner Stransky
Updated May 07, 2009 at 01:55 PM EDT

Lauren Holly will star opposite Rob Lowe in Too Late to Say Goodbye, an original for the Lifetime Movie Network, according to The Hollywood Reporter. The movie will be adapted from Ann Rule’s best-selling novel of the same name and focuses on Jenn and Bobby Corbin (Lowe). The couple both have affairs, and Jenn ends up dead in an apparent suicide. Her sister Heather (Holly) turns up to investigate.