Jang Geum makes herself useful, using her knowledge of food's medicinal properties in aiding the Medicine Lady. Meanwhile, Lady Choi has taken over the Royal Kitchen.
Jang Geum begins her training as a medicine maid in the palace. Min Jung Ho begins to gather a team to counter the political corruption among the royal family.
After being accused of a crime she did not commit, an exasperated Jang Geum begins to lose hope. Jang Geum and Min Ho are confronted by the people who are upset that no one is tending to a proliferating illness.
Jang Geum investigates the mystery behind the king's fainting spell. Jang Geum finds herself in trouble, yet again, this time for stealing a record book.
The supposedly dead Head Doctor returns to clear the conflicting testimonies of Lady Choi and Lady Oh. Lady Choi attempts to run away and succumbs into self-reflection.
Jang Geum is announced as the king's next medical physician. Jang Geun and Min Jung Ho resign from their positions and attempt to start their lives anew.
The King makes the controversial decision to name Jang Geum as his main physician and medicine general. The King's growing friendship with Jang Geum causes Min Jung Ho concern.