Jessie and Zuri read a bedtime story that places the gang in medieval times.
One of Christina's tiara's accidentally falls off onto Mrs. Chesterfield's terrace. Jessie and Zuri must find a way to sneak into her apartment to get it back, so they get Bertram to ask her out.
A rival nanny posts lies about Jessie on her website, along with a picture that claims that Jessie is spanking Zuri. Christina believes Jessie and helps her get rid of the rival.