Nate brings Claire to his old stomping ground in Seattle to help him retrieve the body of a man who feared flying. There, they stay with Lisa, a woman who still carries a torch for Nate.

Ruth takes a personal interest in the death of a woman who has no friends or relatives. Meanwhile, Brenda's search for a literary muse prompts her to turn to one of her massage clients--a prostitute named Melissa--and Nate's relationship with Brenda takes an unexpected turn.

A Jewish funeral at Fisher & Sons leads Nate to seek spiritual guidance from an intense female rabbi. Claire is surprised to meet a guy while visiting her Aunt Sarah. Meanwhile, a medical emergency prompts David to consider giving his relationship with Keith another shot. Federico's jealous suspicions about his cousin Ramon prove to be very misguided.

The Christmas season marks the anniversary of Nathaniel's death...and gets everyone thinking about their last moments with him. Meanwhile, Nate and Brenda are shocked by Margaret Chenowith's Christmas Eve guest, Claire gets into a dangerous online relationship and Federico stirs up trouble in his own family.

Ruth continues to help an injured Nikolai recover, but her patience is tested when she discovers just how he broke his legs. Brenda's escapades help her to write, but her feelings about being engaged grow more muddled--especially after Billy's release from the hospital.

David and Keith continue trying to iron out their problems...and Karla has a secret that isn't going to make things any better. Meanwhile, Claire takes a curious approach to photography, Ruth prepares to move ahead with Nikolai and Brenda's engagement anxiety leads her on a sexual adventure with Melissa.