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