Kang Hye Na (played by Yoon Eun Hye) is the sole heir to the Gangsan Group, the most powerful chaebol in South Korea. She lived a life of luxury like a princess since she was a child. However, due to the early death of her parents, she grew up alone under the strict discipline of her grandfather and did not know what true family love and friendship were, which resulted in her being overbearing, arrogant and self-centered...