Rona Benson

When the Jeffersonian team investigates the death of a former Marine sergeant whose remains were found burned to a crisp, they discover that she was discharged after a fist fight with another Marine. When Booth and Sweets go to question the other Marine involved in the altercation, they learn that Deanna was obsessed with the idea of the apocalypse, which leads the team to a following of doomsday preppers who become key suspects in her death. Meanwhile, Sweets thinks he has landed his dream apartment but Brennan and Booth are not convinced that he will actually move out.

When patients from the hospital’s prescription drug trial start suffering life threatening side effects, Nic fears that her sister Jessie may be in danger. As a result, she and Conrad work to convince Bell that these trials are not worth the risk. Meanwhile, Mina, Austin and Kit must set aside their competitive nature and work together on a patient whose health is quickly deteriorating and Devon uses Julian as the beta tester for a product he’s designed.

While Luke deals with the reality of having his daughter, April (recurring guest star VANESSA MARANO), in his life, Lorelai tries to pretend she doesn't mind the repercussions the new situation is having on their engagement. Rory's concern over Paris' lack of management skills at the Yale Daily News finally reaches a crisis point when most of the staff quits in protest. With Logan's help, Rory makes a valiant attempt to get the paper out on time. Meanwhile, Lorelai breaks the news to Richard and Emily that their money will no longer be needed for Rory's education, and the resentment starts to build. The subsequent Friday night dinner erupts into an emotional confrontation where all four Gilmores finally get their issues out on the table.

Knowing he has let too much time go by, Luke is still unable to tell Lorelai about the existence of his 12-year-old daughter, April (recurring guest star VANESSA MARANO), and he is thrown into a panic when April wants to hang out with him at the diner. When April and Lorelai both show up at the diner and begin chatting, April innocently explains that Luke is her father. Lorelai tries to be supportive, even offering to postpone the wedding date, but Luke's reaction to this idea leaves her confused and hurt. Back at Yale, Logan takes unusual steps to win Rory back, and the newspaper staff rebels against Paris' reign of terror at the Yale Daily News. Meanwhile, Stars Hollow holds its annual Winter Carnival, and Lorelai and Rory run a booth featuring their dog, Paul Anka, as a fortuneteller.

Wanting to get to know her future son-in-law better, Emily asks Lorelai to invite Luke over for dinner. In order to avoid an argument, Lorelai purposely fails to mention that the wedding has been postponed. Meanwhile, the Yale Daily News staff finally fires Paris and chooses Rory to be the new editor. After a furious Paris kicks Rory out of the apartment, Rory has no idea where to go until Logan convinces her to move into his apartment. When Rory gives Christopher (recurring guest star DAVID SUTCLIFFE) a tour of Yale, he learns of the new living arrangement and tells Lorelai.