One day, three siblings receive a postcard from their mother who left them a long time ago. But all it says is "I miss you." Three siblings are disconcerted by the sudden contact, but eventually, they go on a trip to meet their mother.
Unfortunately the movie Family Affair is not yet available on HBO Max.
| Directing | Lee Dong-eun | Director |
| Writing | Lee Dong-eun | Writer |
| Sound | Park In-young | Original Music Composer |
| Camera | Lee Woo-hyun | Director of Photography |
| Editing | Choi Hyun-sook | Editor |
| Production | Lee Eun | Executive Producer |
| Production | Kim Bo-hee | Producer |
| Art | Lee Ji-yeon | Production Design |
