<Tr> <Td_colspan="7"> <P> On the first anniversary of Bart Bass' death, Chuck wrestles with the dilemma of following his conscience, or that of his father . Serena runs away with Tripp where they hide out at his cottage on Long Island . During Tripp and Serena's drive back to New York, an argument between them brings a terrible tragedy when Serena is seriously injured in a car accident and Tripp flees from the scene . Back in New York, Dan and Vanessa attempt to navigate their newly complicated friendship when Dan seeks a new potential relationship with one of Vanessa's friends . Elsewhere, Eric and Kira make work his plan to dethrone Jenny . The relationship between Lily and Rufus deteriorates even more when he discovers the letter from Serena's father . </P> Title reference: The 2006 film The Departed . </Td> </Tr> <P> On the first anniversary of Bart Bass' death, Chuck wrestles with the dilemma of following his conscience, or that of his father . Serena runs away with Tripp where they hide out at his cottage on Long Island . During Tripp and Serena's drive back to New York, an argument between them brings a terrible tragedy when Serena is seriously injured in a car accident and Tripp flees from the scene . Back in New York, Dan and Vanessa attempt to navigate their newly complicated friendship when Dan seeks a new potential relationship with one of Vanessa's friends . Elsewhere, Eric and Kira make work his plan to dethrone Jenny . The relationship between Lily and Rufus deteriorates even more when he discovers the letter from Serena's father . </P> <Tr> <Th> 56 </Th> <Td> 13 </Td> <Td> "The Hurt Locket" </Td> <Td> Tony Wharmby </Td> <Td> Sara Goodman </Td> <Td> March 8, 2010 (2010 - 03 - 08) </Td> <Td> 1.74 </Td> </Tr> <Tr> <Td_colspan="7"> <P> Now back together, Nate and Serena decide to explore the boundaries of their new relationship . Meanwhile, Blair suspects that Chuck is having trouble forgetting about the mysterious woman he saw at his father's grave . Serena asks to accompany Damien to a State Dinner, but is unaware that he needs her help with a drug exchange . Things are complicated when Jenny and Nate crash the event and Serena inadvertently acquires Jenny's coat with the contraband stash sewed into it . Elsewhere, Dan and Vanessa attempt to move past the awkwardness of Dan's confession of love . Rufus returns from a ski trip and tries his best to avoid Lily whom he suspects was unfaithful . </P> <P> Absent: Jessica Szohr as Vanessa Abrams . </P> Title reference: The 2009 film The Hurt Locker . </Td> </Tr>

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