When superhero Spark, a tough-as-nails teenage girl, meets Kaz at Mighty Med, they have an immediate connection. However, it fizzles quickly when she becomes overly possessive. Meanwhile, Horace puts Skylar in charge of security to keep villains out of Mighty Med.

Oliver grapples with an internal conflict as he walks his mother down the aisle. Meanwhile, Kaz and Skylar struggle to protect the Arcturion from all the villains it beckons.