When the girls of the 501st hit the beach for some special training, Lucchini discovers a treasure chest that leads to a treasure map that leads to booby traps!

Hartmann teams up with a famous witch on loan from another unit in order to defeat a special Neuroi that's impervious to airborne attacks! The new girl has lethal skills - and an attitude to match!

As the Strike Witches prepare for their most dangerous mission yet, Major Sakamoto - the bravest warrior among their ranks - can no longer hide the fact that her magic is rapidly fading!