Shortly after his arrival in Uganda, Scottish doctor Nicholas Garrigan is called to the scene of a bizarre accident: Idi Amin, careening down a dirt road in his red Maserati, has run over a cow. When Garrigan tends to Amin, the dictator, in his obsession for all things Scottish, appoints him as his personal physician. And so begins a fateful dalliance with the central African leader whose Emperor Jones-style autocracy would transform into a reign of terror.