Kim Mi-poong is a North Korean defector who left behind everything she knew to start a fresh life in South Korea. Tough, resilient, and hard-working, she struggles to adapt to the fast-paced capitalist society while holding onto her dignity. Lee Jang-go is an upright, honest human rights lawyer from South Korea who crosses paths with Mi-poong and gets deeply involved in her life. As the two navigate the harsh realities of their environment, they discover that their families share a complicated, decades-long history tied to a wealthy elderly grandfather and a massive hidden inheritance. Amidst greed, deception, and family secrets, Mi-poong and Jang-go must fight for their truth, their identity, and ultimately, their love for one another.