Roberto Calvi's death sparks international outcry and interest over its mysterious circumstances and the shadowy circles he moved in.

Calvi's family pushes for a new investigation into his death, exposing numerous mistakes with the original police work. Meanwhile, we are introduced to the secret Masonic lodge known as "P2", a powerful group Calvi had many dealings with. We also learn how exactly Calvi was in bed with the Vatican, and what changes there would mean for him.

The walls start to close in around Calvi as one of his partners faces jail time and investigators are breathing down his neck.

Calvi escapes Italian authorities and flees to London, as we look in greater detail at who he was with during his final hours and how his death came about.