Thrilled at first at the idea that she could be pregnant, Carly suddenly shudders to realize that Sonny might not be the father. Though Faith sheds crocodile tears as the paramedics bundle up her dead grandmother, Ned icily advises her to cut the act. Luke surprises Summer on her birthday by revealing that he knows she's been seeing his son. Marcus and Scott finally view the videotape provided by Alexis' shrink. Meanwhile, displaying the notes he found, Cameron accuses his patient of faking DID. Reminding Faith how Catherine's convenient demise fit perfectly into her devious plans, Ned berates his business partner for stooping so low as to murder her own grandma. Although Sonny eagerly presses her to make a doctor's appointment right away, Carly invents excuses to avoid taking a pregnancy test. Warning Alexis he won't be her patsy any longer, Cameron threatens to go to the D.A. with what he knows. Summer begs Luke to understand how important his friendship has been to her. Carly is ups