On the 21st episode of KBS 2TV "Bluebird House" (script Choi Hyun Kyung, director Ji Byung Hyun) broadcast on May 2nd, Jang Hyun Do (played by Lee Sang Yeop) and Kim Ji Wan (played by Lee Joon Hyuk) had a physical fight.
On this episode, Kim Ji Wan got incredibly angry at Jang Hyun Do. First, he was upset that his friend had been dating his sister. In addition, he was upset that all this was going on behind his back.
Kim Ji Wan said, "You meet all the women in the world without being sincere but not my Eun Soo. Don't play around with my Eun Soo" and started to say random things.
Jang Hyun Do said, "I'm for real though. You can't do this to me. I could be your brother-in-law later you know" and expressed sincerity in his feelings. Nonetheless, Kim Ji Wan couldn't control his feelings and threw a punch at Jang Hyun Do. In the end, the two had a fistfight.
Jang Hyun Do said, "I'm not joking around this time. Please believe me. I really like Eun Soo. I can't give up on her." Kim Ji Wan said, "I'm not going to tell you twice. Just give up now" as he said in the coldest way.
With that, it seemed like Kim Ji Wan would be forever against this relationship. Nonetheless, as shown later In the episode, Kim Ji Wan would allow his sister to date Hyun Do while keeping a close watch.
