A deep secret from Kim Jin-woo's past is slowly eating away at him and making him act more and more irrationally. He loses his position as a philosophy professor due to his erratic behavior. He and his wife turn to a psychiatrist to get to the root of the problem.
Kim Yeong-cheol
Park Soon Ae
Kil Yong-woo
Ji Yeong-sin
Joo Ho-sung
