Approaching Xanadu

the star-galleon was taken by spider pirates, and an unlikely alliance of Imperial Insect Fleet Command and Human Security Services took action. The HSS warships Impeccable, Truth, and Beauty co-ordinated with Imperial units in the vicinity, and began a sweep of the volume-duration of space-time from when-whence the distress signal had originated. A ghostly dragonship haunted the dimensions also....why?