Three 30-year-old friends, Jinju, Eun-jung and Hanju reminisce about how they came to live together. Jinju gets dumped and pursues her career instead. Hanju meets a bizarre man, who leaves her with a baby. Eun-jung finds an unlikely sponsor.

Jinju and Beom-su discuss the events of their wild night and try to do away with the awkwardness. Eun-jeong and Somin's show is edited into a hit, and Arang suggests Somin to be the subject of a new documentary.

After recalling her relationship with Hwan-dong, Jinju goes clubbing with Eun-jung and Hanju to flaunt their physical beauty. Hanju unwittingly sees Jae-hoon's girlfriend cheating, and Eun-jung visits Somin to suggest making a documentary.

Jinju has trouble writing a confession scene, and Beom-su tries to help by asking her out on a date. Hanju and Jae-hoon grow closer while sharing their memories of past confessions. Eun-jeong reveals a secret to Somin on purpose.

Jin-ju's past and present come to light as gossip spreads rapidly among writers; a foulmouthed director tries Eun-jeong's patience.

Rumors create a rift in Beom-su and Jin-ju's relationship; Eun-jeong's brother, Lee Hyo-bong, advises her to seek treatment.