Leaning on each other through thick and thin, a trio of best friends stand together as they experience life, love and loss on the brink of turning 40.
Cha Mi-jo
Jeong Chan-young
Jang Joo-hee
Kim Sun-woo
Kim Jin-seok
Park Hyun-joon
Kim So-won
Cha Mi-hyeon
Choi Hoon
Cha Yoo-hyuk
Kim Kyung-ae
Park Jung-ja
Kang Sun-ju
Kim Joo-won
Lee Gyeong-suk
Jeong Hong-sik
Kim Jung-taek
Yeon Jung-hwa
Jo Hye-jin
