The Beggar's Secret Saint

Dragon King and Medical Saint Aidan Larkin, disguised as a beggar, is seen as fallen. His childhood friend, Caleb Crawford, and fiancée, Lila Gordon, have an affair and plan their wedding. Crystal Shen suffers a terminal illness. Aidan Larkin cures her. Crystal Shen vows to marry Aidan. During the wedding, Aidan uses his Dragon King power to ruin Caleb's enterprise and Medical Saint skills to subdue Theodore Crawford. He wins Crystal and lives happily with his mother.