Pelin is a cute little girl. He is very curious to learn something. She constantly reads books, especially to learn about animals and their mysterious lives, she gets various information on the internet. The house they just moved to is also the beginning of a new adventure for Pelin. Pelin starts to explore the house and its surroundings from the very first day. Meanwhile, she is unaware of the Köstebekgiller living in her own garden. Köstebekgiller is a lovely family consisting of Dede mole, Dad mole, Mom mole, Boyo, Süslü and Bebi. Pelin first meets her neighbor Caner. Caner is a naughty boy. From the very first moment, Caner and Pelin never get along. Caner treats Pelin badly and wants to stay away from him. This tension on earth also affects Köstebekgiller. Köstebekgiller's house is destroyed because of people walking on the ground.