Rumorville:  Kiefer's ex has a few words of advice for Kristina...Claudia tries to to use their sexual encounter to exploit Dante; he in turn. promises to tell her Daddy about her latest scheme...Sam accidently becomes privy to some insider Z info...Maxie wants "in" on the undercover biz...Kiefer plots revenge against Michael after Kiefer humiliates him at school...Johnny makes Olivia a surprising proposition.