Little Bro loves his great-grandmother. One day, while they're coloring together, he discovers that she has a big secret too.

Little Bro loves his great-grandmother. One day, while coloring, he discovers that she has a big secret too. Naturally, Little Bro decides to get to the bottom of this mystery. Their intergenerational complicity and shared passion for the beach and coloring (but not veggies!) will help Little Bro in his investigation. But will that be enough to uncover his great-grandmother’s mysterious secret?