The Loyal Pin

Lady Pin, an orphaned noblewoman, is taken in by her strict but loving aunt at the Savettawarit Grand Palace, where she forms a deep bond with the mischievous Princess Anil.

Lady Pin struggles with the impending departure of Princess Anil, who is set to study abroad, leaving Pin feeling lonely and heartbroken.

Princess Anil returns home after years abroad, rekindling her bond with Lady Pin. However, new relationships and old insecurities threaten their friendship.

Princess Anil, uncertain about Lady Pin's feelings, hatches a plan to get closer to Lady Uangfah in order to test Pin's emotions. As expected, Pin becomes irritated and upset with Anil, though she conceals it.

Lady Pin distances herself from Princess Anil following a significant event. Later, Anil confesses her love and gifts Pin a gold hairpin.

Princess Anil and Lady Pin's blossoming romance at the Pine Palace faces a challenge as Anil must leave again for her studies abroad.