From the UFC Octagon in Las Vegas and the anthropology lab at Dartmouth, to a strongman gym in Berlin and the bushlands of Zimbabwe, the world is introduced to elite athletes, special ops soldiers, visionary scientists, cultural icons, and everyday heroes—each on a mission to create a seismic shift in the way we eat and live.

'I could never go vegan.' Five words uttered around the world by many a non-vegan, but why? On a quest for the truth, a filmmaker sets out on a journey to find out the leading arguments facing the vegan movement, and if they're justified.