The story of a man named Yook Dong-sik who coincidentally witnesses a murder and picks up the killer's diary. While fleeing the scene, he gets into a car accident causes him to lose his memory. Due to the diary in his possession, he mistakenly believes that he is a psychopathic serial killer.

Set during the period of the 1894 Donghak Peasant Revolution against the Japanese, the drama tells the story of two half-brothers, one illegitimate and low born, and one, part of the pro-Japanese ruling elite, who find themselves on opposite sides of the conflict.

Three single women in 30s gather and talk about everyday life from work to love. Nothing is more important to them than enjoying a drink after work.