The frog family lives in the picturesque and pleasant climate of the swamp, where they have been breeding for generations, living a peaceful and happy life. However, one day, a group of bullfrogs from nowhere appeared in the swamp, breaking the peace that shrouded the place, and in the fierce battle, the frog Little Black Meng unfortunately got separated from his mother. Humans want to build a factory next to the swamp, which will inevitably bring a devastating blow to the ecology of the swamp, in order to survive, the frog family decided to move their family to look for a new home, and the little black buddies are also wrapped in a huge team, forward. In the process, the little black budding not only to face around the frequent accidents and dangers, but also to find the whereabouts of mother back to his mother's side, in the face of the eye of the enemy and the destiny of the uncertainty, the little black budding finally be able to complete this arduous task?