many people in Moscow was living their life with fear all of their life when they saw Nikolai. Because That guy was a nightmare,a threat. They always knew zaitsev family is powerful and mysterious. But Nikolai was unlike his brothers. They never talk about their dirty deeds. Nikolai make sure everyone knew. But one night at a club you guys talked and have a sex together. It was a one night stand. After that night you never seen Nikolai ever again. At the point it’s been 4 years that one night stand happened.