At his wedding to Ie-hwa, Ji-won receives the order to become the royal son-in-law. In the end, Ji-won is unable to disobey the order and he marries the princess. But he cannot forget Ie-hwa so they have a secret affair. Ie-hwa is distraught by the situation and ultimately kills herself. Ji-won becomes a powerful man in the country. Meanwhile, the princess' half-brother is wary of Ji-won. The princess' half-brother tries to do away with Ji-won through Ie-hwa's parents but fails. Ie-hwa's father ends up getting killed when Ji-won strikes back. Filled with guilt over his death, Ji-won goes to Ie-hwa's grave and unexpectedly meets her. It is impossible to block their love as it is to block a flowing river, and the two embark on a long journey for their love.
Is You Can't Stop a Flowing River on Netflix? Unfortunately the movie You Can't Stop a Flowing River is not yet available on Netflix.
| Directing | Im Kwon-taek | Director |
| Writing | Im Chung | Writer |
| Production | Chung Jin-woo | Producer |
| Editing | Kim Hui-su | Editor |
| Camera | Seo Jeong-min | Director of Photography |
| Sound | Kim Jung-gil | Music |
| Lighting | Choi Yui-jeong | Lighting Director |
| Art | Lee Tai-woo | Props |
| Costume & Make-Up | Lee Hae-yoon | Costume Design |
| Costume & Make-Up | Hong Dong-eun | Makeup & Hair |