In the final days of the One Year War, a Zeon special forces group infiltrates a colony to gather information on a new Gundam unit. Alfred Izuruha, a 10-year-old student, befriends Zeon rookie pilot Bernie Wiseman during a brief mobile suit combat. Meanwhile, Al meets up with Christina MacKenzie, his former neighbor and babysitter. Little does he know that not only is Christina a member of the Earth Federation, she's the test pilot of the new Gundam NT-4 prototype.
When secretive new neighbors move in next door, suburbanite Ray Peterson and his friends let their paranoia get the best of them as they start to suspect the newcomers of evildoings and commence an investigation.
Five years after they defeated Zuul, the Ghostbusters are out of business. When Dana begins to have ghost problems again, the boys come out of retirement to aid her and hopefully save New York City from a new paranormal threat.