Shadows and Crossbows

A boy named Andrew Moore is forced to witness the death of his parents, and somehow he makes it out alive. Now he has to find out everything he can about the thing that killed his parents and hunt it down. On the way he meets a mysterious man who claims to have known his dad and wants to help kill the thing that caused it all. Can Andrew get the revenge he's wanted all his life? Or will it all end at the last crucial moment?