This is a story about people driven by selfish motives. Thanks to his ambition and hard work, orphan Kang Pil-ju has climbed the career ladder and become the head of the legal department of a large company. Many of his colleagues do not hide their envy. Middle school teacher and environmental activist Na Mo-hyeon is known as a dreamer. She constantly daydreams and hopes to encounter a love that will turn her whole life around.