Kati, a nine-year-old girl whose mother is suffering from an incurable illness. She must go through steps of happiness and sorrow, bonding and separation, having her hopes fulfilled and losing something she loves.
Unfortunately the movie Happiness of Kati is not yet available on Disney Plus.
| Camera | Tanon Sattarujawong | Director of Photography |
| Directing | Genwaii Thongdenok | Director |
| Writing | Jane Vejjajiva | Screenplay |
| Writing | Jane Vejjajiva | Novel |
| Production | Jatusom Techaratanaprasert | Producer |
| Sound | Nop Ponchamni | Music |
| Editing | Patamanadda Yukol | Editor |
| Art | Akekarat Homlaor | Art Direction |
| Art | Thumrongrat Vanichsombat | Art Direction |
