In a searing expose of Australia's most entrenched environmental hypocrisy, "Envoy: Shark Cull" sheds light on the shocking truth behind the country's coastal 'shark safety' programs, revealing methods that are not only ineffective but also devastating to marine ecosystems like the Great Barrier Reef. Narrated by Eric Bana and joined by renowned ocean conservationists including Sea Shepherd, Ocean Ramsey, and Madison Stewart, this documentary follows a trail of experts as they confront the longest marine cull in history, and the crucial role sharks play in the health of our oceans.