Lee Min-ho and Kim Woo-bin are about to get intense with Park Sin-hye in the middle. On the fourth episode of the SBS drama "The Heirs", Kim Tan (Lee Min-ho) returned to Korea from studying abroad. The main characters are supposedly 18 years old and the main story will take place with the things that happen in Jeguk High School. The reason why Kim Tan and Choi Yeong-do (Kim Woo-bin) aren't friends anymore is about to be revealed. What draws attention is that they've become rivals in love. Choi Yeong-do was impressed by Cha Eun-sang (Park Sin-hye) who boldly said everything she had on her mind and told her, "Be mine from today". Kim Tan has already confessed his feelings for her once and is about to go face to face with her as well. In the preview. when she asked him if he likes her, he casually answered, "Because you're pretty and I can't get you off my mind".