Independent TV producer Shin Hye, self-assured housewife Mi Yeon, and single mom Hae Yeong are a tight-knit group of 40-something friends going through the ups and downs of their lives and loves in modern-day Seoul.
Following a drunken work party, Shin Hye ends up spending the night with her much younger colleague, who later wants their relationship to become more than a one-night stand. Mi Yeon enjoys spicing things up with her