Han Dong-joo is a fictional character from the South Korean television series My Lovely Kim Sam-soon. He is portrayed as a charming and ambitious pastry chef who plays a significant role in the romantic storyline of the show. His character is known for his determination and passion for baking, which adds depth to the narrative. In the series, Han Dong-joo navigates complex relationships and personal challenges, showcasing his growth throughout the story. His interactions with other characters, including Kim Sam-soon, highlight themes of love, ambition, and self-discovery, making him a memorable figure in the drama.