Yoon Eun-Sung is one of the major characters and an antagonist in the central relationship in Queen of Tears. Park Sung-Hoon plays the character in the show.
Yoon Eun-Sung aka David Yoon is a former Wall Street analyst and M&A expert, who’s now a tycoon working as an investor
He’s recently returned to Korea. Eun-Sung has control of Middle Eastern oil money, and he’s come to Korea to find new investments.
According to Cheon Da-Hye, he’s looking to invest at least a couple of trillion won.
The key to success
Hae-In has been trying to bring Hercyna to her store and is in brutal competition with her rival Ye-Na over it.
Yoon Eun-Sung is the reason why the brand could launch its first Asian flagship store in Seoul.
Eun-Sung is Mr. Hermann’s right-hand man, and the key to reaching him. He now plays in the big leagues and has gained a lot of success, currently managing Sheiks’ finances.
Past with Hong Hae-In
Eun-Sung and Hae-In used to be in a relationship and others expected them to take things further.
However, things ended between them and even though he lies to Hyun-Woo that they had a good relationship, Hae-In actually told him to never contact her the last time they were together.
Now that he’s returned and proven to be key to getting the coveted brand Hercyna into her store, Hae-In has to indulge him and try to eke out a favor from him.
Antics & intentions
However, he’s still creepy and seems to be still into Hae-In, even trying to make Hyun-Woo jealous right off the bat.
He has also begun his efforts to get close to Hae-In’s family as they all want something or the other from an oil money tycoon like him.
He also has a tendency to cheat and take things that belong to others, but in Hyun-Woo he finds a formidable rival that he thinks he can take down easily.