Mystery woman: game time (2005)

Samantha (Kellie Martin) awaits the arrival of a famous writer who will sign copies in her bookstore when, coincidentally, an old acquaintance comes with the purpose of marketing a video game. That night, the writer is found murdered, but the police cannot point to any suspects. Soon will come out a link between the victim and the acquaintance of Samantha, who is detained at the bewilderment of all