Shirley the speed freak is obsessed with trying to exceed sonic speed. Busybody Francesca Luccini meddles with the adjustments of Shirley's Striker Unit before the water training drill required by all members, which subsequently leads to an unexpected incident.

Yoshika and her comrades are attacked by the Neurois on their way back from a mission in London, but gets help from Sanya who happened to be on a night patrol. As a result, Yoshika is given orders to serve the night shift, and must spend the night in the same room with Sanya, when an envious Eila barges in.

When Hartmann's underwear vanishes, it leads to game of musical panties that's got all the Strike Witches jumping in and out of their skivvies.