Horse tries to recruit an army to defend Centaurworld, but no one wants to join. The herd visits the Horsetaurs' castle to see if they'll help.

　　西德尼（梅根·妮可 Megan Nicole 饰）、丽芙（艾莉森·斯通勒 Alyson Stoner 饰）和克洛伊（安娜·格蕾丝·巴洛 Anna Grace Barlow 饰）是从小玩到大的好友，三人之间的感情非常的要好。一晃眼，暑假就要结束了，三人即将分散各地进入大学深造，在这最后一个三人能够齐聚一堂的夏天里，她们决定尽情的享受阳光，享受生活。　　三个姑娘虽然表面看上去乐呵呵的，但她们每个人都要面对自己的困境。西德尼得到了梦寐以求的唱片公司邀约，但答应邀约，就意味着她有可能失去自己的初恋利亚姆（瑞恩·麦卡坦 Ryan McCartan 饰）。丽芙家的咖啡店因经营不善而濒临倒闭的边缘。克洛伊想要举办一个派对，但总有解决不完的麻烦。

　　Centaurworld follows a warhorse who is transported from her embattled world to a strange land inhabited by silly, singing centaurs of all species, shapes, and sizes. Desperate to return home, she befriends a group of these magical creatures and embarks on a journey that will test her more than any battle she's ever faced before.