Brahmadatta was a Brahmin boy living in a city with his old mother. One day, when he was planning to travel to another village, his mother told him not to travel alone but take someone with him. The boy said that the way to the village was safe and that he was leaving on an urgent business. He asked her not to be afraid. Knowing that he was determined to go, the mother went to the well in the backyard and took out a crab and asked his son to keep the crab with him during his travel. The boy then put the crab in a camphor box and put that box in a vessel and set out on his journey. That being summer, the day was very hot and the Brahmin halted and took rest under a big tree.
From the hollow of the tree, a snake emerged and, attracted by the fragrance of camphor, swallowed the box containing the crab. The crab came out of the box and sliced the head of the snake and killed him. The Brahmin boy woke and found the dead snake and the camphor box. When he saw the crab coming out of the box alive, he at once realised what had happened.
He then remembered the words of his mother and thought he did well by heeding her advice that saved him from death.
It is always important to have a companion during journey.