E1 - Episode 1

Aired: October 11, 2017

Jung-hye suggests Do-hee and Mi-sook, who compromise with reality, form Avengers' Social Club.

E2 - Episode 2

Aired: October 12, 2017

Do-hee solves the problem of his son's assault. Jung-hye hears a tempting offer from Soo-gyum.

E3 - Episode 3

Aired: October 18, 2017

The club refuses Soo-gyum. Soo-gyum goes to the police, and Do-hee plans revenge with the club.

E4 - Episode 4

Aired: October 19, 2017

Byung-soo secretly plans to steal the gravesite. Someone sends a picture of the club to Soo-gyum.

E5 - Episode 5

Aired: October 25, 2017

The club tracks the sender of the picture. At the climax, the doorbell rings in Mi-sook's house.

E6 - Episode 6

Aired: October 26, 2017

Hee-gyung is cornered by Sang-man's unreasonable demands. Su-ji threatens Jung-hye with the picture.

E7 - Episode 7

Aired: November 01, 2017

Seo-yeon misunderstands Mi-sook and Soo-gyum. A secretary is asked to shadow Jung-hye and Soo-gyum.

E8 - Episode 8

Aired: November 02, 2017

The club is looking for the culprit of the mysterious, threatening letter. All face their crisis.

E9 - Episode 9

Aired: November 08, 2017

The club uses Hee-gyung to flip the script. Soo-gyum and Jung-hye propose a deal to aid each other.

E10 - Episode 10

Aired: November 09, 2017

They use the last resort to scold Jung-wook. Byung-soo plans to separate Jung-hye from Soo-gyum.

E11 - Episode 11

Aired: November 15, 2017

Mi-sook leaves home with Seo-yeon due to Young-pyo's violence. The club members prepare for revenge.

E12 - Episode 12

Aired: November 16, 2017

Su-ji is asked to reveal the interview was fake. Young-pyo holds a press before the club discloses.