Things are going well for 24 year-old Evan Casher: his career as a documentary filmmaker is booming and his relationship with his new girlfriend, Carrie, couldn't be better. Panic begins with Casher getting an early morning telephone call from his mother, who tells him that he needs to come and see her in Austin, Texas immediately. Casher makes the two-plus-hour drive from Houston in record time to find his mother murdered in her kitchen and himself on the receiving end of a brutal, deadly attack. He is saved by a mysterious man named Gabriel.…