Taj Diwan is premade Sim who resides in Lucky Palms. He lives with his wife Zahra, and their son Sahan. Taj works as an Undercover Specialist in Law Enforcement career. He moved to Lucky Palms to investigate the drained lake in the desert area of the town, as well as criminal activities and the people who live nearby. It suggests that the large crater used to be a lake. Taj brought his family along to help aid his undercover. Zahra is supportive to his duty, but Sahan dislikes the idea and wishes to live in a town instead of desert. This causes them to dislike each other.
According to the bio, Taj has always dreamed to be a secret agent. His lifetime wish is Renaissance Sim, which requires him to master three different skills. Having the International Super Spy lifetime wish will suit him better instead. Taj also seems to be dedicated to his job, since he has the Workaholic trait. He has 1 skill point in Athletic, 1 in Charisma, and 2 in Logic.