Mary works as a nurse in hospital where she is respected by doctors as well as patients due to her nature she is a devotee of Mother Vailankanni.When things get out of control from doctors hand, Mary advises the patients to visit the Vailankanni Shrine which is known for its miracles.Film also shows the three miracles which took place and Mother Vailankanni appeared herself to people a little boy selling milk,a lame boy and Portuguese sailors who were saved from storm and how people became devotees of Mother Vailankanni.