David at Daytime is the tale of a doctor who spends his nights in an emergency room solving the mysteries of the human body. But he could not save his last patient. Wrought with guilt and sadness, he dwells in his apartment contemplating what he could have done differently,. Then Mary, an ethereal being of the sun, visits him at night to discuss the layers of death and life. As someone dedicated to saving lives, will Mary's presence bring David out of his darkness or pull him deeper into it?