Katerina Verbitskaya (Katerina Kovalchyk) is brought up with her godmother Anna Chervenskaya (Yuliya Aug) as an aristocratic lady, but she is actually the private property of Peter Chervynskiy (Stanislav Boklan). She falls in love with the aristocratic youth Alexei Kosak (Aleksey Yarovenko), who knows nothing about her origins. On the road to freedom and love, the serf maid had to overcome many trials.