Anya and Katya, sisters with contrasting love lives, face a twist when their mother, Maria, decides to marry Anton, Anya's ex-boyfriend. Anya suspects that Anton wants to take revenge on her by dating her mother, so she and Katya decide to ruin the wedding. Amidst the chaos, the sisters confront their own romantic challenges. Katya's marriage is on the rocks, and Anya finds it difficult to trust a new man.