The innocent desires a married woman harbors in her daily life are trapped like a caged animal locked within a sealed concrete prison, unable to escape to the outside world. In a city lined with gray buildings, she lives alone, concealing a passion no one else can see. Deep within her heart swirls an uncontrollable sexual thirst, enveloping her surroundings with an eerie, intoxicating scent. This hidden essence, something she could never reveal to her husband, is the true nature of the married woman.