Marc Fennell’s quest to find the world’s hottest chilli begins in the middle of a tropical storm in Arizona while grown men and women weep before him. Which seems normal, right? In this episode Marc finds himself drawn into an international dispute and has a euphoric chilli-fuelled epiphany on a New South Wales freeway.

In this chapter Marc travels to the Mexico border to meet the man who accidentally kick started a race to breed super-hot peppers. But does the Carolina Reaper - the world’s current record holder - really deserve it’s title? Has someone cheated?

No other mammal on Earth is dumb enough to eat chillies - except humans. The internet is filled with astonishing videos of grown men being reduced to tears by a square millimetre of a chilli. It’s a global gastro-masochist obsession. In this chapter one of the world’s leading chillheads exposes a life turned inside out by tragedy.

For centuries people have claimed that chillies have almost mystical effects on the human body. But can chillies be your actual salvation? That is the question that surrounds Ed Currie: the man who currently holds the record. But did does he really deserve it?

In the final episode Marc meets his prickliest interviewee and a late-night hot sauce sampling changes Marc’s outlook on life forever.