A 17-year-old boy is found dead by the aftermath of an out-of-control party, and no one knows who made the 911 call. Megan's ex-husband, Todd, drops a bombshell, telling Kate, Megan and Lacey that he needs to move to California to teach at Berkeley. Lacey is faced with a difficult decision: to stay with her mom, or move out west with her dad. Which one will she pick? Bud announces that his wife is pregnant. Megan and her FBI friend Derek finally get that date.