Plot: Documentary which unravels the story of notorious performing whale Tilikum, who - unlike any orca in the wild - has taken the lives of several people while in captivity. So what exactly went wrong? Shocking, never-before-seen footage and interviews with trainers and experts manifest the orca's extraordinary nature, the species' cruel treatment in captivity over the last four decades and the growing disillusionment of workers who were misled and endangered by the highly profitable sea-park industry