I'm going to poison the two of them with "wine" so I can have it all for myself.
We should stab him so we can have the gold for ourselves
The old man however, directs them to a pile of treasures and coins instead of death. All three of the rioters are delighted by what they find.
The two older brothers connive a plan to murder the younger brother to share the coins only among the two of them. While they are creating this plan, the youngest brother is also plotting to poison the other brothers with what they will believe is wine.
After failing to outwit one another, all three of the brother end up dead because of their greed and selfishness to become rich.