“Mine” is about strong and ambitious women who overcome the world’s prejudices in order to find their true selves.
Seo Hee Soo was a former top actress, but she gave up her career to marry the second son of Hyo Won Group. She does her best to fit in as a daughter-in-law of that family. She acts confidently all the time to not to lose her true self.
Jung Seo Hyun, on the other hand, is married to the first son of the same chaebol family. She is also the daughter of a chaebol family and is elegant, intelligent, and also very rational.
(Source: Naver & AsianWiki)