Phai, who was raised by a single mother , one day finds a black onyx ring hidden deep among mother’s clothes. The ring became an important puzzle peice sparking a need to uncover the truth about her father , whom she’s never met or known anything about. With her best friend and shadow Ton by her side to support her, Phai sets off on a journey full of questions and uncertainty. Along the way, they meet Mengla , a man who'd also grown up with the sense of his father's absence . Drawn together by similar pasts, the three begin piecing together clues that lead them to the Mon Bridge. What starts as a search driven by frustration and confusion slowly becomes a journey of growth. Through it, Phai begins to understand what family means, how to let go of resentment, and what it truly means to live with purpose.