"Pada Suatu Hari..." follows Bagas, a teenager stuck in a cycle of fleeting relationships. After a late-night argument with his best friend Hakim, who warns him about his impulsive approach to love, Bagas spends the next day at his usual café—where he meets Naya, a new barista.
| Actor | Role |
|---|---|
| AAbigail MaryamNaya | Naya |
| RReygard KaviBagas | Bagas |
| KKiev Fatihah TaoHakim (Voice) | Hakim (Voice) |
| IIsmaya SantanoGirl in Cafe | Girl in Cafe |