Wife Ami, having lost her house key, panics and contacts a locksmith. The locksmith, Ikeda, notices her distress and seizes the opportunity to sneak into her home while Ami and her husband are out, intending to snoop through her underwear and personal belongings. However, Ami unexpectedly returns and catches him in the act. Flustered and cornered, Ikeda desperately tries to cover up his actions.