Episode 1
E1
A beautiful, eccentric woman embarks on a search for Sa Geum-ran, a fat housewife who rejected a chance at full-body plastic surgery to make her "beautiful."
Episode 2
E2
Lee Kang-joon and Gyo Chae-yeon announces their upcoming wedding. Geum-ran becomes "Sara" to seduce Kang-joon and break the relationship apart.
Episode 3
E3
Geum-ran tries to have a one-night stand with Kang-joon. Chae-yeon confronts her about her affair and warns to back away.
Episode 4
E4
Geum-ran suspects a conspiracy behind her death and enters the Lee household to investigate.
Episode 5
E5
Kang-joon and Chae-yeon have their wedding early. Geum-ran and Han Tae-hee conspire to enter the couple's lives and ruin them.
Episode 6
E6
Tae-hee is confused by his new-found feelings for Geum-ran, while Geum-ran reconciles with her ex-husband and destroys his family.
Episode 7
E7
Geum-ran destroys her ex-husband's family home. Videos of her eating go viral on the internet.
Episode 8
E8
Tae-hee and Geum-ran work together to get Kang-joon to confess to the murder. Han Min-hyeok becomes obsessed with finding "Sara".
Episode 9
E9
Geum-ran becomes a star on Chae-yeon's HBS show. Tae-hee tries to save his grandmother from prison.
Episode 10
E10
Tae-hee challenges Min-hyeok's claim to Winner Group's CEO position and celebrates Geum-ran's birthday.
Episode 11
E11
Tae-hee and Geum-ran spend their first day together as a couple. Kang-joon finds out where Sara's secret man is.
Episode 12
E12
Geum-ran enters the Birth of a Chef cooking competition. Chae-yeon makes up with Kang-joon, and retaliates.
Episode 13
E13
Kang-joon takes Geum-ran to a hotel after her allergy attack, and Kang-joon's family hears that their former daughter-in-law may be alive.
Episode 14
E14
Geum-ran figures out how to respond to Tae-hee's marriage proposals. Meanwhile, Kang-joon pieces together who Sara really is.
Episode 15
E15
Tae-hee and Geum-ran plan their wedding. Kang-joon and Chae-yeon will stop at nothing to make sure they don't marry.
Episode 16
E16
Geum-ran stays by Tae-hee's side throughout his recovery, while the people around them urges her to break up with him.
Episode 17
E17
Geum-ran returns to her mother's hometown instead of going abroad. The men in her life set out to find her one by one.
Episode 18
E18
Geum-ran inadvertently joins forces with Min-hyeok against Tae-hee. Kang-joon finds himself hitting rock bottom as he loses his family's support.
Episode 19
E19
Min-hyeok forces Geum-ran to cut off all contact with Tae-hee. Pushed into a corner, Geum-ran had no choice but to use her last resort.
Episode 20
E20
Tae-hee and Geum-ran get back together to bring down their enemies. Geum-ran books a talk show to be interviewed by Chae-yeon.
Episode 21
E21
To marry Geum-ran, Tae-hee needs Kang-joon to sign divorce papers. Min-hyeok plots to kill Tae-hee.