Ep 2. Guess Who's Coming At Dinner

Blair and Serena are at it again, but this time it's over Blair's new boyfriend, Marcus. Serena is convinced that he's hiding something, but Blair refuses to believe it. Meanwhile, Dan is struggling with his feelings for Serena and his growing attraction to Marcus's step-sister, Rachel. Nate and Chuck are both dealing with family drama as well. Nate's father has been arrested and Chuck's newly discovered mother wants to have dinner with him. The episode culminates in a dramatic dinner party where all of the secrets and lies are exposed.