Ha-yeong is a successful psychologist. One day she gets a secretive request from her sister Ha-joo. Apparently Ha-joo's husband Woo-seong is refusing to have sex. Ha-yeong agrees to be their couple therapist but finds out that her brother-in-law actually has sexual desires for her and not her sister...

Cast

Kang Eun-hye

Ha-yeong

Kang Sung-pil

Woo-seong

Lee Seung-chae

Ha-joo

Maria Cristina Dantas

Maria

Kang Seong-Hoon

Seok-cheon