Kwon Raim was just a normal girl. Her parents died after she graduated from college. She tried to live her life normally with her daily routine but she bumps into Do Kyungsoo, one of the most successful yet scariest businessman out there.

A businessman with an angelic voice but with a lot of secrets. He is known for not getting into a lot of scandals and just spending time with his friends in privacy. He can get anything at the snap of his fingers but he decides to just stay away from drama.

After colliding with him, she started getting obsessed to the point that she became his stalker. Her friends tell her that but she doesn't believe them because she says she is just 'keeping an eye on him'.