One cold summer's day on a flight to the South Pole a C-130 with passengers, fresh veggies and mail for the station comes across smoke and the wreckage of a crash. Further investigation reveals the ship to be of extraterrestrial origin. The rescue of a survivor and the murder of one of the aircraft passengers by an unknown assailant sets Alex Bird and Team Four from the Department of Military and Scientific Research's Special Projects on a search into the unknown. As they dig deeper, they uncover evidence of an insidious alien plot. , Alex and Team Four continue to find bread crumbs leading to the aliens responsible for the murder of Team Four's former team leader.