A drama that effortlessly triggers an absolutely forbidden relationship through a certain technique. Yurika, who had taken in her ex-husband's child and led a modest life for many years. However, such a daily routine is transformed by the 'experience technique.' Yurika, who had only intended to observe, is completely immersed in it, becoming a plaything for enthusiasts in a sexual relationship with her stepson. 'Mom!' The sight of the deranged stepmother stirs the hearts of those who see her.
