Emma's first day of high school starts off rough, with a clash over an art class assignment with tough transfer student Rosie (Kelly Gould). But the two soon become best friends when they realize they have a lot more in common than they thought. Meanwhile, Jessie accidentally puts Kenny the Koala in Luke's backpack, embarrassing him in front of all the kids. Also, Jessie struggles with Zuri after she repeatedly refuses to do her homework.