Meng da frog family has been cheerful living in a wonderful enormous bog, however a gathering of the entry of the bullfrog, so the frog family into an uncommon emergency in the resistance when Bullfrog oust, frog little dark Meng (Jijing) and her mom ( Li Jinyan) inadvertently got isolated, and an expansive swamp encompassing the forthcoming development of the plant leaving the human family frog no place and settled down, had an aggregate development, resolved to discover her mom's dark Meng reluctantly taken after the frog family has a place together with discover their heaven, on the emergency and loaded with obscure voyage, dark Meng at last could discover mother?