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Rosanna confronts Carly about her drinking and says she found empty liquor bottles all over the house. Carly admits she's been taking a drink now and then, but she insists she's not an alcoholic. Rosanna doesn't believe her. Carly acts outraged that Rosanna would accuse Carly of being an alcoholic and she sends Rosanna to Margo and Tom's where everyone is gathering for the wedding. Carly puts on her wedding dress and starts drinking. Carly continues to drink in the limo. When Carly arrives at Tom and Margo's she overhears Craig and Rosanna arguing about her drinking problem. Carly turns around and runs back to the limo where she continues to drink. Craig tries to hide his alarm when Carly fails to show up for their wedding.

Liberty helps Parker out of a jam and they take their first step to becoming friends again.