On his way to a party, Mr. Fish bumps into his friend Willa Whale, who is frozen in worry. What if no one wants to talk to her? What if she forgets the words to the birthday song? Using simple steps, Mr. Fish teaches Willa how to breathe and make a plan whenever her worries start bubbling up. After all, worry isn't bigger than a whale!

Small children will learn from Mr. Fish and his friend that they can overcome even their biggest worries.