Sixth-grader Ethan Rylance’s dad is a famous comic book artist, so when a group project at school requires expert drawing skills, his group nominates Ethan for the job. The only problem is, Ethan can’t draw. Then Inkling, a magical blob of ink, rolls off the page of one of Ethan’s Dad’s sketchbooks and wants to help. But keeping Inkling a secret becomes more and more difficult, and soon, Ethan and his Dad find themselves in a lot of trouble.