Lee Yoon-ji

Dr. Frost, a genius psychologist, delves into criminals' minds to uncover their motives and help law enforcement agencies solve crimes.

An artist must face the music after his factual comic is selected for the basis of a film, calling for all of his ex-girlfriends to be under one roof.

Joon Young ayuda a testificar en un caso de acoso en el metro dando una evidencia grabada, ahí conoce a Lee Young. Las amigas de Lee Young tienen una cita cuádruple y al faltar una de ellas, invitan a Lee en donde se encuentra a Jung por segunda vez.