Natalia and Zhanna are half-sisters. Despite growing up in the same family, the sisters are as different from each other as heaven and earth. Natalia has always been used to relying on her own strength and achieves everything in life on her own. She has built a business that generates good profits and is purposefully expanding it. Natalia has a beloved husband and a luxurious apartment. Meanwhile, Zhanna, deciding to take the easy way out, marries a wealthy man. At first glance, life seems to be going well for both of them, but trouble is lurking and waiting for the right moment to strike unexpectedly.