"I Got Knotted Once" is a family drama premiered on KBS 2TV in South Korea on March 28, 2020. It is directed by Lee Jae-sang and written by Yang Hee-seung. Starring Lee Min-jung, Lee Sang-yeop, Oh Dai-hwan, Oh Yoon-ah, and Lee Cho-hee. The play tells the story of how four divorced Song brothers and sisters overcome crisis and find happiness
The plot revolves around the four brothers and sisters of the Song family. They all experienced a marriage failure, but they did not give up their pursuit of love . On the basis of mutual support, they learned to face the past, accept the reality, and started their own journey of finding happiness in the new life stage. The eldest son Min Seok (played by Lee Min Jung) is looking for stability in marriage, the second son Min Ho (played by Lee Sang Yeob) is looking for himself, the third daughter Min Jung (played by Oh Yoona) is looking for true love, and the youngest son Min Woo (played by Lee Cho Hee) is looking for the purpose of life. Their stories allow the audience to see the conflict and reconciliation between family and love, and also show the warmth and strength of families supporting each other in difficult times. It can be seen that "Knot Once" is not only a TV series, but also an apocalypse about family and love.