Annie's half-sister Lily (guest-star Michelle Phillips ""Knots Landing"" and ""The Mamas and The Papas"") shows up on her doorstep to discuss an important family matter after Annie refused to contact her. Eric tries to figure out why Annie won't contact Lily. Meanwhile, Cecilia sets Martin's friend Mac (guest-star Kyle Searles) up with a girl from school, but he doesn't want to go out with her because of something embarrassing that happened 10 years ago; Ruthie and Peter put a bad spin on a school project that lands them in trouble when they create a newspaper featuring false and derogatory stories about two former U.S. presidents. Lastly, Roxanne turns to Chandler when she finds herself faced with a moral dilemma as she is keeping a secret from Kevin regarding Det. Michaels. Det Michaels is promoted to Captain.
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