An indifferent killer who was feared by everyone in the killer group, but for a mission, she dressed herself up as an ugly girl who was shouted and beaten by everyone, but her unyielding and calm character attracted the attention of the indifferent him and the handsome him, A series of things unfolded from this... What she didn't expect when she was looking for the target was that the original target was always by her side, but the mission no longer existed at that time...