The Salinger's grandfather, Jacob Gordon, returns and tells the Salingers that he just wants to spend the holidays with his family and nothing more. But Julia, as usual, suspects there's something more going on with him and that he's hiding some health problems. Meanwhile, Charlie is attempting to overcome his depression about losing Kirsten for good by working more on Grace's feed the homeless project where meets a homeless man he tries to help out, but whom Charlie later finds out that the man too suffers from a mental illness. Bailey is alone when both Callie and Sarah leave town to be with their families. Not wanting to be around his own family, the alienated Bailey seeks a bond with his wrestling coach, Russ Petrocelli. Also, Claudia is still being pursued by Stuart who has a massive crush on her. When Claudia tries to show Stuart that he's nothing more than a friend by giving him a lame gift of trick candles, it backfires when it turns out to be something he wanted.