Abby goes to the park because she and Rick had a little fight, and she needed some air. She is in the park sitting under a tree minding her own business. She is just sitting there and doesn't hear the two men fighting behind her. She doesn't even hear one of the men pull out a gun. However she coincidentally turns around and sees one man shoot the other. She quickly gets up and runs home, catching only a quick glance of the man. The murderer sees her run away and quickly runs the other way, being careful not to slow down. He gets into his car and drives off.Throughout the month, Abby keeps seeing the murder in her dreams and even thinks she sees the murderer. She can't remember his face, but she can tell that he is about the same size as Rick and has lighter hair. That's all. Rick tries to get Abby to go to a therapist to see if it would help jog her memory, and could help Frank and Levy solve the murder. She reluctantly goes but doesn't realize that she's being followed. The murderer has been following her and she hasn't realized it. While Abby is at Cedars, the murderer notices a picture of Rick Bauer, but doesn't realize that he's Abby's husband.When Abby leaves the hospital, the murderer follows her home. When she arrives, the door is locked and she has forgotten her key. She knocks at the door and Rick comes out and kisses her. The murderer now knows that her husband is a doctor at Cedars.The murderer decides to fake an accident. He ends up in the hands of Dr. Rick Bauer while at Cedars. There we find out his name, Calvin Manns. He and Rick start to become good buddies; and on the day that Calvin is released from the hospital Rick invites him home for supper, but little does Rick realize that because Blake was called to be with her mother, and Ross was nowhere to be found, Abby agreed to watch the boys, not realizing that Rick was also inviting a guest; and neither of them realizing just 'who' that guest would be.Calvin is a litt...
