Alec visits unexpectedly and disrupts Karen's life with his news. April and Marc clash on a parenting issue. Kate learns that her new beau has a connection to Joss and Harry. Harry's business partner invites him and Joss to Las Vegas.

Custody issues arise regarding Vivian. April discusses a mature topic with Lucy. Kate keeps her new beau a secret from Joss and Harry. Joss' actions lead to problems with Harry and land Jonathan's nephew in the hospital.

Harry's sister arrives for a visit and reveals that all is not well between her and her fiancé. Joss has trouble celebrating her own engagement. April learns about a painting fellowship. Marc joins a band. Karen bonds with her male nanny.

Joss testifies at Wilson's murder trial a year after her perilous encounter with him. Marc has employment problems. Karen thinks her male nanny is making advances toward her. April fears Lucy is growing up too fast.

Karen realizes she’s very happy to be back working with her clients again, despite putting her love life on hold. April’s new client gets a little too close for comfort, while someone from Marc’s past becomes very present. Kate struggles after learning her ex-fiancé is dating someone else, while Joss plays dirty to get a new client.

April's mom pays her a visit, which stirs up trouble. Karen is unsure about her new nanny. Harry struggles with fame. Joss discovers her ex-fiancee is dating Kate.

April's mom causes trouble in April and Marc's relationship. Karen meets a new guy after Lydia secretly sets up an online dating profile for her. Kate makes a change in her living arrangements. Joss takes pills to cope with her anxiety.

Karen fires Lydia when she uncovers her deception. Harry juggles too many business opportunities. Joss and her impact-class pals seek to avenge their friend's killer. Marc resists April's attempt to reconcile.

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Kate soon realizes dating in Los Angeles is a little harder than she expected. Harry has an exciting new job venture while April finally realizes what her passion is with a little help from Marc. The boundaries between Karen and her many, Robert, become complicated. Meanwhile, Joss is still trying to figure out how to deal with the aftermath of the past year.

Karen's agent is unimpressed with her new book proposals. April quits her job after being kissed by Michael. Joss and Harry struggle with their new working relationship.

Marc focuses on his music and bonds with Sofia. Lydia tries to ruin Karen's new romance. April makes a decision after observing her mother's display of intolerance. Joss deals with the death of a friend from her impact class.