We are the people who shine quietly in the corner of the classroom, and we are also the best friends in the world. Thirty-year-old Luo Danni was unhappy with her family, career, and love. A sudden car accident changed the direction of her life. When she woke up again, Luo Danni was stunned for a second. Could it be that she had traveled back to high school? ! At this time, news came that the school was going to set up an art class. At the time, 17-year-old Luo Danni looked down on art classes, but now, at the age of 30, she has other opinions. So Luo Danni, with the knowledge of thirty years old, decided to fight a tough battle for her life! But things don't seem to go as smoothly as she imagined... With a bunch of useless students and an unreliable class teacher, can she change her destiny? There are countless unknowns waiting for Luo Danni!