Shades of Grey

Harvard graduate student Dulcie Schwartz is having an awful summer. Her beloved cat Mr Grey's been put to sleep, and her new roommate, Tim, is a jerk. Arriving at home after work, she sees a cat who looks like Mr. Grey and hears a voice say "I wouldn't go in just now." Dulcie enters to find Tim stabbed with her own knife, and being in the frame for murder is just the beginning. The insurance company for whom she's temping accuses her of sabotaging its computer system and fires her. When, shortly thereafter, the Harvard system is hacked, the police decide that Dulcie is a person of interest on all counts. Desperate for answers, she finds cryptic messages on her computer warning her to be careful. Are they from Tim ... or someone else? And is Tim's killer now after her?