When a young and promising surgeon Catherine suddenly moves to a lower position in another city, her new boss Margot does not hide his distrust. However, they try to create the appearance of a world necessary for collaboration, but gradually the two begin to struggle with an unexpected mutual attraction. However, the concept of honor is enough to prevent new feelings, not to mention the fact that the heart of Margot belongs to the one whose wedding ring she wears. Amid the chaos and drama of the overcrowded intensive care unit, Catherine and Margot struggle not only for the lives of patients, but also with the secrets of the heart and the irresistible forces of fate.