Cursed Fox: I Married the Leopard Don in My Sister's PlaceEpisode 4

Synopsis

Valentina was born cursed: hurt her, and it hurts you back. In her past life, the Mafia Godfather destroyed her family and slowly bled her innocent sister to keep his mistress alive. Now fate has sent her back to the night it all began—and this time, she takes her sister's place as his bride. Humiliated, hunted, underestimated, she vows to tear his empire down from the inside. But the devil she came to destroy is starting to fall for her.