Travis Langley, who was sent to the streets to cleanse his dark, bloodthirsty nature, loses control after defending Willa, a woman who left her privileged life to be with him. His violent actions alarm those around him, and his master condemns Travis for breaking his three-year penance by killing again. As Travis's life force rapidly drains, the master insists that only a woman’s intimate connection can save him. Despite her inexperience and hesitation, Willa resolves to save Travis through closeness and affection, determined not to let him die as his condition worsens.