My Heart Can't Beat Unless You Tell It To follows the story of Dwight and Jessie, two siblings who have been tasked with caring for their younger brother Thomas, who suffers from a mysterious affliction that requires him to feed on human blood to survive. As the siblings struggle to cope with Thomas' needs and their own personal demons, they are forced to confront the question of just how far they are willing to go to keep their family together. Along the way, they must navigate the complexities of their relationships with each other and with Thomas, as they grapple with the weight of their responsibilities and the high stakes of their situation. With nuanced performances and a haunting, atmospheric score, My Heart Can't Beat Unless You Tell It To is a powerful exploration of family, duty, and the cost of survival in a world marked by darkness and uncertainty.