 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.