Dr. Mi-Soo misdiagnoses a client after she satisfies the woman's partner, whom she presumes to be abusive. With his spouse in serious problem, the man sues the healthcare facility. Kang-Il is a widowed firemen that overhears the scenario and also when he attempts to advice the woman's hubby, he is attacked by him. When Mi-Soo finds out about the battle, she tries to obtain Kang-Il to be a character witness for her as well as realizes that he might likewise be her true love.