Cumulus is an ambitious daredevil who likes to takes things to the next level, even though she acts like the kind of person who wouldn't do those things. She is known for her special Sonic Cloudboom, not only did she win a race against two bullies but also brought her friends together.
Rainbow Dash is a blind foal who was brought to Cumulus' doorstep one day, now she must learn how to be a parent with Rainbow. In spite of being blind, she likes to challenge herself.