In "Twenty Again" Choi Won Young and Lee Sang Yoon were in a fight over Choi Ji Woo.
"Twenty Again" is about a woman named Ha No Ra who had been a mother since she had her child at the age of 19. She becomes a new college student as this drama deals with all the episodes that happen.
On the episode of tvN Friday/Saturday drama "Twenty Again" (script So Hyun Kyung, director Kim Hyung Shik) broadcast on September 26th, Han No Ra (played by Choi Ji Woo) was in a love triangle with Kim Woo Chul (played by Choi Won Young) and Cha Hyun Suk (played by Lee Sang Yoon).
On this episode, Cha Hyun Suk found that he still had feelings for Ha No Ra. He tried to push her away but he was still in love with her. Kim Woo Chul also had a strange sense of competition but at the same time, felt that he really liked her too. He also thought about Ha No Ra when she was younger and was quite charismatic.
In the end, the two people were fiercely for grasping Ha No Ra's heart as they went up against each other.