When Jane Holman is driving with her two sons, Tom and Gunny, she accidentally runs into a drifter, named Jack McCloud, who breaks his leg. Feeling sorry for him, Jane invites Jack and his dog Betty Jane to stay at her home until his leg has healed. After having some difficulties to adapt to this new lifestyle, Jack soon finds himself loved by the family and they all want him to stay. When he starts teaching baseball to Tom, who misses his father who's missing in the Korean War, the two of them develop a strong bond. Meanwhile Gunny believes that there's more to Jack and Betty Jane than meets the eye, and he's determined to find out!

Luke Davenport is the 13 year old son of Paul Davenport, the President of the United States, and first lady Linda Davenport. Ill tempered Agent Woods is the secret service agent in charge of Luke. Woods is fired after mistreating Luke in front of media cameras. Woods is then replaced by former boxer Sam Simms, who won a boxing title in 1977. Sam is eager to take the job-even though no one else wants it. Everyone thinks that Luke is just a brat when the only thing Luke wants is to just fit in and be like every other kid at his school, the Georgetown Academy. Sam almost gets fired when Luke gets decked at school by school bully Rob MacArthur. This is when Sam decides to use his boxing expertise to teach Luke how to fight. Luke has his eyes on classmate Katie Warren, but so does Rob. Katie agrees to go with Luke to an upcoming school dance, so Sam teaches Luke how to dance. Rob is also at the dance...

Bratty Junior Healy is back to bring you chapter 3 in the rambunctious, slapstick Problem Child trilogy!!