After 30 years of married life, Lyudmila Zhuk is left alone because her husband goes to a young mistress. In order not to fall into depression, Lucy decided to change her life and realize an old dream. At one time she wanted to become a doctor, but did not complete her internship. Despite her age, 50-year-old Lucy is going to return to medicine. As a result, she finds herself among the young specialists who are undergoing an internship with her at the city hospital.

It is based on the format of the sitcom "Carol's Second Attempt", the rights to which belong to ViacomCBS Global Distribution Group.