Elizaveta Veresova, the wife of a famous architect, is quite happy with her family life. She happily does household chores, gets along with children, communicates with her beloved friend Anastasia, visits her mother and sister Anna. Meanwhile, retired officer Dmitry Panin comes into her field of vision. Infatuated with the young man, Lisa finds herself drawn into intrigue: Lisa's life is in danger. Lisa will have to unravel the mystery of Dmitry's marriage, meet a mysterious woman named Euphrosyne, avoid death in a fire and become the Empress's maid of honor.