although kathy and gregory did not fully trust each other yet , the three of them were united by a common purpose : thomas , to find out what had been done to him in his forgotten days ; kathy , to discover what had befallen her friend and if tgn or cybertech had any links to what had been happening to her recently ; gregory , to uncover why and how his dead colleague had come back to life , and why he had been given a sheet of paper with gregorys life details on it .