Yoon Jae-Hee (Soo-Ae) is the second daughter-in-law of the chaebol family who runs the Sungjin Group. She works at art gallery Space Jin.
In the past, she had a boyfriend she dated for years, but she dumped him to marry Jung Joon-Hyeok (Kim Kang-Woo). Jung Joon-Hyeok was born out of wedlock to the chaebol family.
Yoon Jae-Hee wants to make her husband the South Korean president.
For that, she cooperates with the next public prosecutor general and she begins a war against her in-laws.