Charlie must cope with the fact that he's now alone and raising baby Diana on his own after Daphne leaves. Meanwhile, Sarah becomes traumatized after being attacked at knife point by a robber at the restaurant which requires her to seek therapy and Bailey feels helpless about the incident and takes out his frustration by investing in high-tech security systems. Julia moves back into the Salinger house to escape from Ned's sudden outbursts. But a sudden visit from Ned, who appears very apologetic, makes Julia wondering if she really knows him. Paul tells Kirsten about his idea of adopting a child for themselves. Also, Griffin and Claudia find a common musical connection with each other with her violin and his guitar which leads him to ask her to perform in a band his is forming with some friends.