After R. Shmuel Tzadok goes away from life, his business affairs are handled by his son R. Yehudah Aryeh while his son R. Moshe learns Torah all day. However, within a few years, R. Moshe turns his back on the straight path and follows the lifestyle and customs of the local nobility. This causes anguish to his brother R. Yehudah Aryeh, who moves back to Prague to ease his pain.