The Sin Of Greed In The Pardoner's Tale

The moral of “The Pardoner’s Tale” suggests that all must be cautious of the sin of greed, which can only bring treachery and death as seen when three rioters go looking for death, literally, except their plan is disrupted by the need to have a pot of gold they find under a tree. One rioter goes off to find food and as soon as he leaves, the other two decide to kill him upon his return and split his share of the gold. Meanwhile back in town, the youngest rioter is having the same idea about the gold. He puts poison into two bottles of wine, leaving a third bottle pure for himself. He returns to the tree, but the other two rioters leap out and kill him. They sit down to drink their friend’s wine and celebrate, but each happens to pick up
a poisoned bottle. Within minutes, they lie dead next to their friend. The greed of the three men ultimately causes each of them to die, therefore affirming the moral of the tale regarding greed, which can only bring treachery and death. (https://www.sparknotes.com/lit/canterbury/section11/page/2)