Strange Housekeeper: Jenny hears a great deal of information from the public. The news is that a young widow named Mi-jin received 3 billion won in insurance and is looking for a maid. Jenny and Dae-nam form a partnership. To help Dae-nam seduce Mi-jin and take away 3 billion won, Jenny enters as a housekeeper and tries to seduce Mi-jin's loveR, Jun-ho, to catch Mi-jin's weakness. Finally, Jenny enters Mi-jin's house as a maid, and Dae-nam poses as Mi-jin's lawyer, and the plot of Jun-ho, Jenny, and Dae-nam over Mi-jin's property begins.