a fascinating and sometimes terrifying introduction to ayahuasca.

Often suffers from hazy storytelling, but its real difficulty for many viewers will be its protagonist, who isn't the most sympathetic proxy for Americans curious about the plant extract's suitability to treat depression.

It's possible to have doubts about ayahuasca (which, we learn, has been increasingly commercialized) and still find Mr. Freeman's resolve uplifting.

The Last Shaman is often a fascinating portrait of an afflicted soul searching for answers but sometimes loses its way with its flashy presentation and complete abdication as to issues of class.