在这部小真与彩虹王国 第一季动画片中,在奇妙的彩虹王国，不管出现什么问题，人们都能向一个值得信赖的人寻求帮助，她就是小真！阿布是一只逗比的猫，也是小真最好的朋友，时常陪伴在她左右。小真是唯一一个能释放“愿望树”上“魔法愿望”能量，从而恢复王国里和平与爱的人。
True and the Rainbow Kingdom follows 8-year-old True and her best friend Bartleby the cat, as they help the whimsical citizens of the Rainbow Kingdom, a wondrous, colorful universe filled with delightful and fantastical citizens. True is the only one with the ability to activate the magical powers of The Wishes of the wishing tree, solve problems in the Rainbow Kingdom and empower viewers with her imagination, mindfulness and empathy. The series is produced by Guru Studio, in collaboration with Pharrell Williams' i am OTHER, world-renowned artist collective, FriendsWithYou and Home Plate Entertainment.
