Bangkok, 1969 — Amidst a time of national change and restricted freedom, when certain feelings remained unspoken, lives from different paths crossed. Each must confront ideals, love, and truth in a journey to discover the true meaning of freedom.

To defeat corrupt rulers, Pahnsaeng must master forbidden powers—at the cost of love. But when he's forced to marry Lady Chawala, his enemy’s sister, her warmth pierces his guarded heart. As war and emotion collide, can he protect the kingdom without destroying himself?

Born on the day and night of February 29, Day and Night are each plagued by a terrible curse that, every four years, will take from them the person they cherish most.

The danger the curse poses to those around them keeps the two isolated. One day, Night meets Dream and she becomes his source of joy. Meanwhile, Day finds himself caring for Ozone, the autistic son of a distant relative following her death. As their twentieth birthday approaches, Day and Night's fears for their loved ones mount.

Born on the day and night of February 29, Day and Night are each plagued by a terrible curse that, every four years, will take from them the person they cherish most.

The danger the curse poses to those around them keeps the two isolated. One day, Night meets Dream and she becomes his source of joy. Meanwhile, Day finds himself caring for Ozone, the autistic son of a distant relative following her death. As their twentieth birthday approaches, Day and Night's fears for their loved ones mount.

The death rate of terminally ill patients has mysteriously increased, leaving an indelible mark of doubt in Police Captain Wasan’s mind when his mother who just passed away from this world could be one of that number. He finds a way to get close to Dr. Kan, who cares for his mother in her final stage, to find out the truth. But, the more Wasan deepen the mystery of this incident, the more Dr. Kan comes to play a role in his heart.