Alexis and Will try to help Maizy overcome her shyness in order to sell Sunny Scout cookies. Mom does her best to teach Maizy the valuable lesson of following the rules by selling cookies the right way, while Dad just wants to get rid of them by any means possible. When both plans fail, Buck jumps in to help Maizy break out of her shell and hustle her way to the top - as only he can.
Based on the hit movie of the same name, Uncle Buck is a fun-loving but irresponsible guy who needs a job and a place to stay. His brother and sister-in-law need some help around the house. And they just might be the answer to each other's problems.