Princess Khemmika, daughter of the Thai Emperor, is a bright, kind-hearted woman who secretly longs for freedom beyond the palace walls. During a royal inspection of the kingdom’s army, she meets Pawat, a loyal but low-born soldier renowned for his bravery and honesty.

Despite their difference in rank, the two are drawn to one another. Their love grows in secret — fleeting glances during royal parades, moonlit meetings by the lotus pond. Pawat promises her that, once the war is over, he’ll return and ask the Emperor for her hand.

But war erupts between Thailand and a neighboring kingdom. Pawat is sent to the front lines. Khemmika prays every day for his safety. When word arrives that he has been killed in battle, she collapses. Her health wanes, her spirit fading as she whispers his name with her last breath.

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Centuries later, Khemjira is born — a young boy with vivid dreams of palaces, war, and a love lost beneath the moon. As he grows, he realizes these aren’t dreams but memories of another life: the life of Princess Khemmika.

Now in modern Thailand, Khemjira carries both the soul and sorrow of his past self. Though confused by his new identity, he holds on to one thing — the face of the man he loved.

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At university, Khemjira meets Pharan, a charming and loyal friend who feels eerily familiar. Over time, Khemjira realizes that Pharan is Pawat reincarnated. The moment their eyes meet under the same kind of moonlight they once shared, Khemjira feels it — the thread of destiny pulling tight again.

But this time, fate is cruel. Pharan doesn’t believe in past lives. He laughs when Khemjira nervously tells him about his dreams. Worse, Pharan is dating Da, a gentle woman who loves him dearly.