Synopsis: A piece of your mind – is about a talented Artificial Intelligence programmer called Moon Ha Won. He became popular as his inventions got recognized in the industry. He is also the founder of a popular website called M&H. His uniqueness is his passion for his work and above all, very empathetic towards his employees and never loses his cool. Seo Woo works as a sound engineer for a firm. Her life was far from calm and peaceful. She was a loner and turned her life around by being self made. She always try to achieve her goals even during set-backs. Their paths cross, and a journey for them two begins. Find out what happens in their lives. Also known as: 반의 반 / Banui Ban / One Fourth / Half of Half / Half of a Half Watch drama online for free.