S01E01 The Vacation House
Eun-kang is Ba-da's lifelong friend of 20 years. She helps Ba-da, a jewellery designer, by doing odd jobs for her. When Eun-kang's boyfriend, Tae-ki, whom she had been taking care of for four years, passes...
Eun-kang and Cha-won ignore Ba-da's calls and spend time together. A falling apart between Cha-won and Ba-da begins due to Cha-won's mother, which Ba-da can't take any longer. Meanwhile, Eun-san and Nam-chul have dinner together after working overtime, and later, Eun-san witnesses Tae-ki cheating on Eun-kang.
Two women — best friends since high school — realize the limits of their friendship as secrets, jealousy and desire come between them.