The battle for House Albert's heirship has settled down, and everyone enjoys a moment of bliss when the family doctor delivers the good news: Mary is pregnant! However, the happy times are quickly turned upside down when Adi brings home a little girl called Anna. The child looks just like him, with her rust-colored hair and eyes, and she even refers to him as her father! Her presence throws Albert Manor into mayhem as everyone questions her origin. Despite her misgivings, Mary decides they must return Anna to her rightful parents, and begins following a trail of clues to uncover the truth behind the little girl's identity. Will Mary and her friends successfully solve the mystery and get Anna home safely? And can Mary, who's never dealt with children before, handle her first taste of parenthood?