Life of a Mistress (2018)

S1E18 Episode 18

Dmitri and Polina tie the knot. Ekatarina becomes Andrei's mistress, and he arranges for Dmitri to be falsely arrested for murder. Boris testifies to the truth in court but is stabbed for it. Andrei is exiled. Dmitri takes in his infant niece, Nadya, and raises her as his own.