Eighty percent of all goods traded worldwide today are transported by ship. But their environmental impact is significant, emitting large quantities of pollutants and contributing to global CO2 emissions. While other transport sectors have embraced energy transition, shipping has lagged behind in climate protection. However, legal requirements and consumer demands are pressuring the industry to transition to climate-neutral fuels. This documentary follows pioneers striving to revolutionize maritime transportation, ensuring profitability while protecting the climate and environment.