Daun Harapan (A Leaf of Hope), delves into the impact of the kratom trade on the economy, society, and environment of West Kalimantan, Indonesia. Through interviews with kratom farmers, local researchers, exporters and other key players in the industry, the film sheds light on the often unseen aspects of the kratom business. In addition to improving the lives of those involved, the plant also presents potential solutions to sustainability and environmental issues in the region. The film presents an optimistic vision of the role that kratom trees can play in shaping a more positive future for West Kalimantan.