Lin Zhaoyang, a young obstetrics nurse, miraculously saved a pair of dying twins due to an 'illegal' first aid, but was regarded as a disaster by the entire hospital. Director Su Manqing teamed up with nursing team leader Zhou Wangshu to push her into the spotlight, but cold-faced doctor Shen Zhiyan discovered during surveillance that every second she saved people was as precise as a scalpel. When the truth gradually emerges, the old secrets of the nurse, Grandma Chen, the hidden pain of the director, Qin Huai, and a buried case of missing babies, are all entangled with the twins - a storm that shakes the medical system has just begun.