A beautiful, eccentric woman embarks on a search for Sa Keum Ran, a fat housewife who rejected a chance at full-body plastic surgery to make her "beautiful."
Kang Joo and Chae Yeon announces their upcoming wedding. Keum Ran becomes "Sara" to seduce Kang Joo and break the relationship apart.
Keum Ram tries to have a one-night stand with Kang Joo. Chae Yeon confronts her about her affair, and warns to back away.
Keum Ran suspects a conspiracy behind her death, and enters the Lee household to investigate.
Kang Joo and Chae Yeon have their wedding early. Keum Ran and Tae Hee conspire to enter the couple's lives and ruin them.
Tae Hee is confused by his new-found feelings for Keum Ran, while Keum Ran reconciles with her ex-husband and destroys his family.
Keum Ran destroys her ex-husband's family home. Videos of her eating go viral on the internet.
Tae Hee and Keum Ran work together to get Kang Joo to confess to the murder. Han Min Hyuk becomes obsessed with finding "Sara".
Keum Ran becomes a star on Chae Yeon's HBS show. Tae Hee tries to save his grandmother from prison.
Tae Hee challenges Han Min Hyuk's claim to Winner Group's CEO position, and celebrates Keum Ran's birthday.
Tae Hee and Keum Ran spend their first day together as a couple. Lee Kang Joon finds out where Sara's secret man is.
Keum Ran enters the Birth of a Chef cooking competition. Gyo Chae Yeon makes up with Lee Kang Joon, and retaliates.
Kang Joon takes Keum Ran to a hotel after her allergy attack, and Kang Joon's family hears that their former daughter-in-law may be alive.
Keum Ran figures out how to respond to Tae Hee's marriage proposals. Meanwhile, Kang Joon pieces together who Sara really is.
Tae Hee and Sara plan their wedding. Lee Kang Joon and Gyo Chae Yeon will stop at nothing to make sure they don't marry.
Sara stays by Tae Hee's side throughout his recovery, while the people around them urges her to break up with him.
Sara returns to her mother's hometown instead of going abroad. The men in her life set out to find her one by one.
Sara inadvertently joins forces with Han Min Hyuk against Tae Hee. Lee Kang Joon finds himself hitting rock bottom as he loses his family's support.
Han Min Hyuk forces Sara to cut off all contact with Tae Hee. Pushed into a corner, Sara has no choice but to go to her last resort.
Tae Hee and Sara get back together to bring down their enemies. Sara books a talk show to be interviewed by Gyo Chae Yeon.
To marry Sa Keum Ran, Tae Hee needs Lee Kang Joon to sign the divorce paper. Han Min Hyuk plots to kill Tae Hee.