Antonio María Claret, a Spanish priest and bishop, devotes himself to preaching and to service rooted in Eucharistic and Marian devotion. He founds the Missionary Sons of the Immaculate Heart of Mary and the Claretian Missionary Sisters, reforms the Archdiocese of Santiago de Cuba, and serves the poor despite opposition and violence. Later a royal confessor in Spain and participant in the First Vatican Council, he dies in exile in France.