Blair and Dorian panic after hearing about the murder attempt on Addie. Bo and Nora investigate the murder attempt and learn that a man named Walker Flynn visited St. Ann's earlier in the day. Bo remembers that Mitch had a brother with the same name who supposedly died as a boy and decides to find this mystery person. Anxious to find Mitch, Walker heads to the station house. Viki and Dorian argue over the hearing concerning the validity of Victor's will. Back at home Dorian panics when she finds the words ""heed the messenger"" scrawled on her front door. Meanwhile, Jen fears that it was Lindsay who tried to kill Addie. Joey, Jessica and Natalie say their goodbyes to Clint as he heads back to London. Natalie assures Jessica that she'll keep her secret about the night Mitch died. Natalie then catches Jessica off guard when she guesses that Antonio has feelings for her. Later, Antonio urges Jessica to forget about the night Mitch died and move on with her life. Viki encourages Jessica not