With the tension surrounding their love triangle, Kim Tan and Choi Young Do end up fighting each other to see who will win Cha Eun Sang's heart.

Lee Min Ho and Kim Woo Bin portray these feisty and hard-headed young men, and for the recent preview stills, they're seen sporting some heavy bruises after getting caught in a bloody fight scene. Kim Tan was the first to raise his fist after confronting Choi Young Do, who has been expressing his complicated feelings for Cha Eun Sang by bullying her.

Meanwhile, SBS released a behind the scenes footage of Kim Tan and Choi Young Do's fight, showing the intense conflict between the two. In the video, both men enter the scene looking very intimidating. Kim Tan kicks Choi Young Do square in the chest, and the latter falls embarrassingly on the floor. Furthermore, they exchange multiple blows to the face, leaving them bloodied and injured.

Many are looking forward to the development of each characters as the story progresses, especially after Kim Tan and Cha Eun Sang shared a kiss in the last episode.

Catch the next episode of "The Heirs" this November 6 at 10PM KST.