The Legend of the Condor Heroes(2017)

The series is about two friends who live in the late Song Dynasty and are very worthy heroes. These two are so loyal to each other that they make a message that if their children are of the same gender (both men) they will become sworn bearers and if they are different (one male and the other female) they will marry each other. Now this series depicts the ups and downs of the lives of these two fathers and after them the love story of their children.