Filmed locally in Tampa at various sites throughout the Diocese of St. Petersburg, Hearts of Mercy is based on the experiences of a Christian woman, who through visions and dreams, communicates with Mary, Mother of Jesus. The docu-drama follows lead character, Lina, through a fantastic journey into the spiritual realm as she tries to make sense of her supernatural encounters. While striving to serve God and witness to the power of miracles performed through her prayers, Lina faces persecution from friends, family, and other church members because of her experiences.