There were two twin brothers of the Cao family. Their names were
Tan for the eldest brother, and Lang for the youngest one. They
got schooling with a Taoist named Chu Chu who lived with his
eighteen-year old daughter. He then married her to Tân, and the
young couple lived their conjugal life happily. But, Lang found
out that his brother treated him less intimately since he got
married. In fact, Lang left the house wandering around the
country. He reached a larger river and couldn't cross it. Not
even a small boat was in the vicinity to transport him to the
other side of the river. He was so sad that he kept on weeping
till death and was transformed into a lime-stone lying by the
river side. Troubled by the long absence of his brother, Tân
went out to look for him. When he reached the riverside he sat
on the lime-stone and died by exhaustion and weariness. He was
transformed into an areca tree. The young woman in turn was
upset by the long absence of her husband and got out for a
search. She reached the same p