Jessie comes to the rescue when the condominium owner wants Ravi's pet lizard Mr. Kipling out of the building. Zuri brings home another imaginary friend and Luke and Emma work together in a school photo class project.
Jessie wants Zuri to play with real friends instead of imaginary ones, but when Zuri befriends the much older Nana Bananas - who wears yellow track suits, talks to her late husband named Harold in the park, and constantly squeaks a yellow horn when she makes jokes, Jessie is worried. Meanwhile, Ravi thinks that Mr. Kipling has found true love with a playground dinosaur.
When Morgan and Christina get stuck in a snowstorm, the family fears they won't make it home in time for Christmas and Jessie is left with shopping for the kid's Christmas presents. When Jessie takes the kids to the mall to see Santa, they have a run-in with his mischievous elves.
Morgan has decided to put Jordan Taylor in his next movie but Jordan will only do it if no one knows that Jordan is at their house and if the family respects him. It causes chaos when Emma gets jealous when Jordan asks Jessie out then tells the whole world about it, Ravi tries to prove about acting to Jordan, and Luke and Zuri keeps prank calling the people in Jordan's phone. Meanwhile, Bertram tries to work hard to get a week off.
Nanny Agatha's twin sister Angela arrives from England, and seems to be the opposite of everything Agatha is, until Jessie begins to suspect that the girl is trying to steal the kids and Tony from her. Elsewhere, Emma is horrified to find a massive pimple on her nose.