Three women who live at Seoul's most luxurious penthouse apartment will stop at nothing to protect their status and their children's futures. But a murder at Hera leaves one mom questioning her place in this elite society and puts her on the road for revenge.
Shim Soo-ryun
Cheon Seo-jin
Oh Yoon-hee
Yoo Dong-pil
Joo Dan-tae
Kang Ma-ri
Baek Joon-ki
Lee Gyu-jin
Ha Yoon-chul
Logan Lee
Go Sang-ah
Ma Doo-gi
Jin Boon-hong
Bae Ro-na
Yoo Je-ni
Joo Seok-hoon
Joo Seok-kyung
Ha Eun-byeol
Lee Min-hyeok
Secretary Jo
Secretary Do
Kwon Hye-mi
Kang Ok-gyo
Maid Ann Ji-min
