Kira is so afraid of bugs that she often stays inside, missing out on fun adventures with her older brother, Kenny. Kenny has a superpower-he can run really fast. Kira's fear strains her relationship with Kenny. Kira longs for a superpower of her own, to help her overcome her terror of what might be crawling or flying nearby.

Then, one day at preschool, a tiny bug surprises her in a way that changes everything. Can Kira find the courage to face her fear and finally reconnect with her brother?