In the small village of St. Mary Mead, Colonel and Mrs. Bantry, owner of the local manor - Gossington Hall is shocked when one morning a young lady's body is found in the library. They call in the police who soon run up against a brick wall, only finding out that the body is that of a dancer in London who the Bantry's didn't even know. But how and why was her body left in the library? To find out the truth, the Bantry's call in the help of their good friend and detective - Miss Jane Marple.
本剧是根据真实女医的半生改编的原创故事。曾为不良少女的田上湖音波(桥本环奈 饰),在挚友车祸身亡的巨大打击下决定发奋读书,最终成为兼具外科手术与血管内治疗能力的稀有脑神经外科医。她被恩人医生中田启介召至东京医院,却发现院方将利益置于患者之前,组织僵化、规章繁琐。湖音波凭借“原不良”的魄力与医者的信念,在严苛现实中为病患挺身,对旧式医疗体系展开改革。