When happy-go-lucky Narwhal meets a strange creature who turns out to be Jelly, a no-nonsense jellyfish, they soon become best friends even though they are very different. The new friends decide to discover the whole wide ocean together! Jelly learns what it means to have a not-so-serious friend; they form a "pod" with other narwhals and unique sea creatures; and, finally, they read the best book ever written, one without words or pictures!