Lin Tiancheng accidentally passed through the book and became the father-in-law of the urban novel. Faced with his love-obsessed daughter and his son-in-law Xiao Qi, who was being teased in every possible way, he changed his original owner's unfair tactics of helping outsiders to trick his son-in-law. He only wanted to support his reliable son-in-law as his heir and retire as soon as possible. He fully supported Xiao Qi's growth, and finally not only successfully realized his retirement wish, but also gained a two-way warm family relationship.