Toby investigates Rachel's disappearance. Libby invites him on a trip to New Jersey.

Toby uses every resource he has - from a night out with Seth to a visit to the American Museum of Natural History - to combat his loneliness.

Toby tries to move on. Karen Cooper's case comes to a head. Toby, Seth and Libby attend a reunion party. Libby reflects on her past.

Seth throws a party.