Agua Eterna (2021)

For hundreds of years, a mysterious hermit has hidden an ancient elixir. But when the magical water suddenly stops flowing, he must call someone for help. Distrustful and desperate, the hermit fears the hired help has discovered his secret and takes the young man hostage. Haunted by his past, the hermit reveals his true identity and takes drastic measures to protect his precious water, which leads to deadly consequences.