After realizing their children are too dependent to even be left alone, Jack and Annie decide to implement "Free Range Parenting," by giving their kids more responsibility. So, Duncan and Kimberly are tasked with a simple grocery trip.. and somehow wind up in Mexico.

Duncan runs for class president against Mia, but soon realizes the competition is more than he bargained for. Meanwhile, Kimberly participates in a cookie fundraiser. However, when she pulls a sneaky trick, she quickly learns what goes around, comes around.