Season 1 of ภูผา | น่านฟ้า premiered on August 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?