Big changes lie ahead for the Vasnetsov-Vasilyev family, including the wedding of Sonya and Igor. However, the couple’s plans are jeopardized when an influential figure opposes their union—someone prepared to go to any lengths to ensure the celebration never takes place. The family heads to Saint Petersburg, where they encounter chases, daring escapades, and unexpected challenges—all of which serve as a reminder of what matters most: a true family always sticks together.