Ates Hekimoglu is a successful doctor in his 40s. He is working as Infectious Diseases and Nephrology Specialist in the hospital where his friend Ipek is in charge. The most well-known characteristic of Ates Hekimoglu is that he conducts research by focusing on diseases without establishing one-to-one relationships with patients. Each new complex case is provocative and exciting, like a puzzle waiting for him to be solved.