Meng Da frog family have a long and happy life in the beautiful Onuma Sawari, but the arrival of a group of bullfrog and let the frog family into an unprecedented crisis, in the bullfrog escape resistance, frog Kuroki Meng (Ji Jing) (voice) and his mother (voiced by Li Jinyan) accidentally separated, and Everglades surrounding the upcoming construction of human plant more let the frog family no place to settle down, have a collective migration, determined to find the mother black Meng helpless with with the frog family together to find belong to their source of peach blossom in full of unknown and crisis of the journey, the black Meng whether to find mom.