Xiaoxue is a gentle and ordinary girl. There was an outbreak in Wuhan, and she stayed up all night. Once she put on protective clothing and walked into the ward, she immediately became an angel, saving lives without fear.

The most beautiful retrograde takes "small incision, little people, big feelings and big themes" as its creative thinking, "truthfulness, liveliness and warmth" as its creative keynote, and this unprecedented epidemic prevention and control war as its theme. With the artistic form of TV series, it vividly interprets the great resistance of "life first, national unity, risking one's life and forgetting one's death, respecting science, destiny and * * *".