一场突如其来的车祸，让医药业巨头祁仲集团那懦弱、隐忍的二儿媳妇米悠（丁燃 饰）性格大变。之后她发现自己所遭遇的车祸并不是一场“意外”。与此同时，祁仲集团新任CFO韩亦承（李九霖 饰）正暗中调查该集团多年前非法试药的事儿。于是，离婚后的米悠与韩亦承联手，互相配合一起调查幕后真相。

Ali Nejat Karasu is a former race-driver and a playboy turned into a businessman. He runs Karas Holdings which is part of a group his father built while making a fortune in ship building. His real passion is still cars and he dreams of launching a new car. While on business trip in Italy with his friend Ayhan, they come across Naz, a charming pediatrician who makes an impression on both of them. Due to unforeseen circumstances Ali Nejat finds himself as a single father to his previously unknown son, Kaan. While trying to balance his life as a new father and a businessman, Ali Nejat ends up leaning on Naz for help. Naz, whom Kaan has met before, becomes important person in their lives. Umut, Naz's husband, works as a mechanic with Genco and Isot in a small local garage which is struggling to stay in business. His skills as a designer gets the attention of Ali Nejat, who hires him as a designer for his car project. Bad decisions in business keep haunting Umut and Genco, and cause a ...