Kim Hee Sun and Lee Min Ho spent a night in the forest.

On the Tuesday episode of "Great Doctor" Eun Soo, played by Kim Hee Sun, and Choi Young, played by Lee Min Ho, started on the road in order to get to the exiled King and his ailing condition. People watched as Choi Young taught Eun Soo how to properly ride a horse. 

Eun Soo, unprepared for the challenge of the horse, says, "I need a little time to prepare myself mentally. Is a horse normally this big?" Choi Young responds, "I'm holding it so just get on. If you fall off, I'll catch you." 

When night falls, the two of them have to face the situation have having to spend the night together. Choi Young tells Eun Soo to sleep next to him so he can protect her and she says, "It's already embarrassing that a man and a woman are together this late in the forest but you want me to sleep right next to you? You like protecting this much?"

She adds, "We really don't know each other. Let's have a conversation. My name is Yoo Eun Soo. My parents farm in the country side and I was kidnapped while living a fabulous single life in Seoul. I think my parents must be worried sick about their only daughter."

On this episode of "Great Doctor," Ki Chul accuses Choi Young of treason.