Harriet is a young hippopotamus who has always felt like an elephant. She asks the elephants if she can join them and be an elephant. Her friends, a chimp, sandpiper and giraffe keep her company. The elephant matriarch tells her to "keep up", accepting her, anA gentle, engaging story about a young hippopotamus who has felt like an elephant as long as she can remember. She decides to ask the elephant herd if she can live with them, and be an elephant. She is accompanied by a chimp, a sandpiper and a giraffe, puzzled by her decision but who keep her company on her journey. The no-nonsense elephant matriarch simply informs her she had better "keep up", thus accepting her, and a small elephant walks beside her, as her animal friends wave goodbye and wish her well. d a small elephant walks beside her. Her animal friends wave goodbye and wish her well.