This interview-style podcast investigates the death of King Boris III of Bulgaria, exploring the possibility of assassination. The podcast begins by recounting the circumstances of the King's death, then delves into a detailed examination of potential poisons, specifically focusing on deadly mushrooms and their accessibility in Bulgaria. It explores the suspicious rise to power of the King's architect, Jordan Sevov, and the subsequent rumors surrounding his involvement. Finally, the podcast presents a theory suggesting Soviet involvement, supported by evidence of Soviet poison labs and a recent similar death in Russia. The podcast concludes by highlighting the enduring mystery surrounding the King's death and the lasting impact on his family.