It's Mardi Gras time in New Orleans, and the Real Worlders get a surprise invitation to have dinner at Anne Rice's house. Danny realizes that he must try to make an extra effort to stay faithful to Paul during this time of partying. The roommates are invited to ride on a float during the parade, while David chooses to stay at the house with friends. During a night of heavy drinking and partying, Danny screws up by messing around with a guy he just met. Julie enjoys her Mardi Gras experience, which she describes as ""a celebration of sin."" Danny feels extremely lucky when Paul tells him that he doesn't care that he messed up, because he knows where his heart is and trusts him completely.