In “Buried Hearts” the center of the story is Seo Dong-ju, a loyal yet mysterious secretary working for a powerful conglomerate. When he stumbles upon a secret slush fund worth billions, his life takes a dangerous turn. An assassination attempt leaves him with amnesia—but not without a trace. As he tries to piece together his identity, he uncovers a web of corruption that runs deeper than anyone imagined.
In the “Buried Hearts” Dong-ju fights to uncover the truth, he crosses paths with Yeo Eun-nam, the granddaughter of the conglomerate’s chairman. Their bond becomes both his strength and his weakness in a game where everyone has something to hide.
Buried Hearts
Cast and Characters of “Buried Hearts”
Park Hyung-sik as Seo Dong-ju
Park Hyung-sik completely transforms into Seo Dong-ju, a man whose life is shattered by a single moment of betrayal. Before the incident, he’s a quiet, capable secretary who knows the ins and outs of the powerful Daesan Group.
After surviving an assassination attempt and waking up with no memory, he becomes a different man—haunted, determined, and unpredictable. Hyung-sik captures both sides of this character brilliantly: the loyal employee and the vengeful survivor.
His internal struggle, silent pain, and slow unraveling of the truth make his performance one of the strongest points of the drama.
Heo Joon-ho as Yeom Jang-seon
Heo Joon-ho is chilling as Yeom Jang-seon, a calculating power player who uses fear and manipulation like weapons. As a former intelligence director turned law professor, he’s highly respected on the surface—but underneath, he’s pulling every string behind closed doors.
Joon-ho brings a cold elegance to the role that makes every scene he’s in feel tense. Whether he’s delivering sharp lines or simply giving a look, you feel the weight of his authority. He’s the kind of villain you love to hate—controlled, cunning, and terrifyingly smart.
Hong Hwa-yeon as Yeo Eun-nam
Hong Hwa-yeon gives a heartfelt performance as Yeo Eun-nam, the conflicted granddaughter of Daesan’s chairman. She’s caught between her loyalty to her family and her growing bond with Dong-ju. Her role is more than just a love interest—she’s key to the emotional core of the story.
Eun-nam is intelligent, brave, and constantly torn between doing what’s right and protecting the people she loves. Hwa-yeon brings a natural vulnerability and quiet strength to the role that makes her character feel genuine and grounded.
My Reaction to the Cast Performances : “Buried Hearts”
Park Hyung-sik truly surprised me. I’ve seen him in lighter roles before, but this version of him? Dark, mysterious, and layered. He made me feel every bit of Seo Dong-ju’s confusion, pain, and quiet rage. You can see his transformation with every episode, and it’s honestly mesmerizing.
Heo Joon-ho gave me chills. His presence is just… powerful. Every time he appeared, I found myself tensing up, like something bad was about to happen—and most of the time, it did. He doesn’t need to raise his voice to be terrifying, and that’s what makes his character so effective.
Heo Joon-ho gave me chills. His presence is just… powerful. Every time he appeared, I found myself tensing up, like something bad was about to happen—and most of the time, it did. He doesn’t need to raise his voice to be terrifying, and that’s what makes his character so effective.
And Hong Hwa-yeon? She’s a scene-stealer. There’s something so authentic about her acting—it’s raw but graceful. Her chemistry with Hyung-sik feels natural, but what really stands out is how she holds her own in a story dominated by power plays and danger.
Overall, the casting is perfect. Everyone fits their role so well, and their performances pull you deeper into the story. I’m hooked—and I have a feeling I’m not the only one.