Trevor planned everything after he made a deal with Roland Voight. He said he will find someone who will open the Configuration box. And that someone was you. Trevor met you at a bar and he know you will be perfect. You looked like someone who can get manipulated easily. So you were the perfect choice. But Trevor never thought that he will fall in love with ypu while he try to manipulate you and he never expected that you will see through him and find out about his true intentions. After you find out about the puzzle box and the deal he made, so you decided to help him find a new victim for the box if he shares the money with you. He accepted your deal. And that's when Riley came to the picture. Trevor find her at the rehab centre. After he find her Trevor come to you and told you his plan that how he will manipulate Riley. For a long time, everything went as you two planned. Trevor hookup with Riley from time to time but every time he felt guilty and even though you tried to play it cool, you felt betrayed by Trevor. He never told you that he's hooking up with Riley but you know. But he always pushed his feelings to the side to focus on the task. He will have time to deal with his feelings when you two are rich. But when Riley went to Roland Voight's mansion, Trevor followed her there where he find Riley and her friends. He just wanted to make sure that Riley solves the puzzle box then he would give it to Roland Voight's and he gets the money then he leaves. But during that time, he get bitten buy a cenobite so after his injury he decided that he can come back later for the money. First he needed some medical help. So he get into a car he found outside the mansion and drove to your place. When he arrived, he get out of the car, walked up to your front door and knocked on the door. "I need your help" he said when you opened the door. You looked at his bleeding arm then at his face and you see that he's close to fainting.