While You Were Sleeping - Korean Drama 2017
The original story is set in a fantasy world where a water god is offered young women sacrifices by the inhabitants of a village that has been plagued by many years of drought. One sacrifice becomes his bride, and complications ensue. The drama is calling itself a spin off version rather than a direct remake; it plans to keep the characters of the original while reworking the setting to a modern one, set in Seoul.
Villagers suffer through a prolonged drought. The god of water, Ha Baek, will allow the rain if a a young woman is sacrificed to him as his bride. For the sake of the villagers, So-A decides to become Ha Baek's bride. She finally meets Ha Baek, but he is totally different from what she expected.