The Seed (1987)

After each annual Royal Ploughing ceremony, grains of rice paddy are distributed to farmers. Saokam, a farmer, takes some paddy to grow in his field, while Buarian just keeps one seed for worship. Since then, Saokam keeps growing rice with that paddy. Ten years later, the paddy fields suffer a drought. There is not enough water, even for drinking or bathing. Some have to mortgage their own fields to pay the bills, while Buarian takes advantage of her neighbor's poverty.

Unfortunately the movie The Seed is not yet available on HBO Max.