After the death of her mother and father, Adelita is badly mistreated by her stepmother and stepsisters until she finds her own true love at a grand fiesta.
Because Befana's household chores kept her from finding the Baby King, she searches to this day, leaving gifts for children on the Feast of the Three Kings.
From her knowledge of when to change a diaper and how to make popsicles to her skills in driving a delivery truck and dancing the polka, a child sings the praises of his mother.
At the annual celebration of Las Posadas in old Santa Fe, the wife and husband slated to play Mary and Joseph are delayed by car trouble, but a mysterious couple appears that seems perfect for the part.