Senior mechanic Tang Ning is unexpectedly reborn as a six-year-old mute boy and is taken into the mountains to feed wolves. Her adoptive parents disliked her for being stupid, but she was clever and clever and invented all kinds of kitkat devices. She designed a trap to catch pheasants and a bucket of fish, which made a huge difference in the life of her family. Tang Ning is not only skillful, but also can win the favor of others with sweet words, showing extraordinary wisdom and ability.