A New Mexico rancher and his wife whilst securing their horses for the night watch in horror as a flying object just misses their ranch house, before changing course and skidding into one of their fields. On investigation the ranches rushes back to the ranch house and his wife, he explains it is no aircraft he has ever seen and no one is on board, the year is nineteen forty seven and with no phone they must wait till morning to drive in town and alert the sheriff. The Sherwood Boys are now teenagers and on their school summer break when they are contacted by their Aunt (Ada Stewart), who after many years working for NASA has now been elected to Congress, to holiday in the USA. However, strange things have been happening in the Congress building with new sightings of Ghosts reported by staff. As David and Andrew travel across the Atlantic their Aunt sends them a news clip of recent Ghost sightings, the boys laugh at the news attachment and settle down in the flight to enjoy the entertainment console, never suspecting the adventure that awaits them. Their adventure begins whilst sight-seeing in congress when they spot their next door neighbour, nothing unusual in bumping into people you know; only trouble is he died some weeks before. Along with their aunt and her assistant, the boys become aware something strange is happening, which get stranger after contacting their mum back home. A big issue is brewing in congress where Aunt Ada has been supporting collaboration in space with the Chinese, but a sinister group has formed in congress and has other ideas. As the big ban is passed in Congress disaster befalls the Chinese space station and it plummets to earth, but just whom or what has brought it down? What strange and secret payload did the Chinese have on board their space station before it was unexpectedly and out of control pulled back to earth? Before anyone can salvage the remains of the crashed space station and scrutinise the wreckage, the Chinese take the decision to destroy the station and its secret pay load high above the earth before it reaches ground. Just before this happens a final retrieved message from the space station reveals just what and who made their space station plummet to earth. After the destruction of the space station an old student friend of Aunt Ada arrives in her New Mexico constituency seeking her help in tracking down the mysterious space station saboteur before others do. The boys also a video revelation to show their Aunt Ada and her student friend throwing light onto the membership of the sinister group that has been tracking their every move. A chase across the New Mexico desert takes place during the balloon festival, where the boys find themselves trapped on board a runaway balloon that looks like it will plunge them into a deep black water filled crater, the Devils Inkwell. Do the boys survive? What did bring down the space station? What was on board the station that needed to be destroyed rather than chance anything being salvaged? Why Ghost sightings around their Aunts congress office? And just what was discovered in the New Mexico desert and is now on board the hot air balloon the boys find themselves trapped on? All these and many more twists and turns in this latest amazing adventure involving the Sherwood Boys are answered in 'Ghosts'