Dre realizes he's out of touch with his roots, so he takes the family to his hometown of Compton; Bow tries to teach Jack and Diane about the spirit of giving by having them volunteer in Compton.
When staging their church's annual living nativity scene does not go as planned, Kip urges the Millers to stage their own rival show. Also, Carol asks Nathan and Kip to put aside their differences as a Christmas gift to her.
When Carol's overbearing mother and father announce they're coming to visit for Christmas, Carol recruits Nate and Tom to cover up their failed relationships and present a happy facade.
Dre is diagnosed with Type 2 diabetes and resolves to cure himself; Jack is convinced that baby Devante hates him and enlists Junior and Diane for help.
