He becomes allies with Victoria Grayson, telling her that he will help her destroy Emily Thorne, claiming that he only wants revenge for the hurt that Emily caused him. Are you going to get out or do I have to throw you Aiden: What you need right now is my help.
In "Confession", Aiden accompanies Victoria to Nolan's housewarming party to suprise Emily.
Later on it's revealed that Emily and Aiden were romantically involved.
In 2008, they both were training under Takeda, in the school of Revenge.
While they have had their ups and downs, they remain affectionate towards each other.
In "Destiny" Aiden dives into the ocean to "rescue" Emily Thorne from a watery grave, but she is not too pleased with this.
Later, when Emily is on the beach Aiden comes up to her telling Emily that Victoria took the bait and that she offered him room and board at Grayson manor.
Emily thanked him for coming back and Aiden replayed saying that if she had to re-instate him, he must be the only one she can turn to. In "Revelations", Daniel Grayson becomes aware of their relationship and is visibly jealous.Initially, Aiden and Emily bond over the fact that they are both seeking to avenge someone.Broken-hearted after finding out she is sterile from her bullet wounds, Emily breaks up with Aiden to continue her plan of revenge against the Graysons. Emily plans to reveal the truth about her father after she manages to lock Conrad up and leave with Aiden to get married and start a life together. However before they could, Aiden is led into a trap and killed by Victoria. After Emily sees Aiden she asks him what he's doing there and tells him that he should leave. Emily: And I prefer you ten thousand miles away from here.