Season 0 of The Promise premiered on жнівень 24, 2022.

Phupha and Nanfah have been best friends since childhood, leading them to have an incredibly close friendship. They made a promise to each other to never leave the other, but Phupha can't help but fear losing Nanfah anyway. Can such a promise not be broken when feelings of more than friendship get in the way?

Season 1 of The Promise premiered on сакавік 1, 2023.

Phupha and Nanfah have been friends since childhood. Phupha's father runs an old coffee shop opposite Nanfah's father's pharmacy, so the two grew up close, sharing experiences. However, after leaving college, Phupha suddenly disappears from Nanfah's world and hasn't been heard of in the past ten years. Sad and lonely, how will Nanfah start his new life? And how will he meet Phupha again?