To prove a point about measuring up and fitting in, Texas teen Willowdean “Dumplin’” Dickson enters a local pageant run by her ex-beauty queen mom.
In the aftermath of a huge scandal, Trinitie Childs, the first lady of a prominent Southern Baptist Mega Church, attempts to help her pastor-husband, Lee-Curtis Childs, rebuild their congregation.
Encouraged by his girlfriend Ellie, Sebastian and his Italian immigrant father, Salvo, spend the 4th of July weekend with her wealthy and exceedingly eccentric family. The gathering soon develops into a culture clash, allowing father and son to discover the true meaning of family.