Spark, a mechanic at the Starlight Repair Shop, learns where he can find an engine for himself.
Spark grows intimidated upon learning about Harry's plan to have a go at the Skyracer Trail.
While working on a task assigned by Flash, Spark learns what it takes to overcome clumsiness.
Harry starts obsessing over Spark and visits the shop in hopes of finding some answers.
Bolt reciprocates Hairpin's generosity by offering her whatever she needs to fulfill her dream.
A gust of wind disrupts the challenge before Harry, Spark, and Hairpin can cross the finish line.