For a female pilgrim who came to offer incense,
The builder became a monk and his apprentice turned out to be his son.
The monk became a builder and embezzled huge sums of money. In order to atone for his sins, he went to the temple to pray for blessings. However, he was discovered by the young monk and sent to prison.
The temple project was not completed, so the young monk spent his life guarding the ruined old temple.
Conception: