A massive rip in the fabric of space and time leaves Space command's deep space fleet stuck on the other side of the rift. Meanwhile alien ships from another dimension arrive on Earth en masse on the other side of the divide. Captain Maguire, a decorated graduate of the Space command academy, whose unorthodox approach to duty is also his strength in a desperate bid to defend commands his starship the Sandawana into the rift in a desperate bid to defend Earth. 
Arriving on Earth he initiates the counter attack to repel the alien ships from Earth.  Other starships of  Space command's deep space fleet arrive on Earth to support the Sandawana's fight against the alien ships. Under the vicious barrage of lasers and missiles from Space command's deep space fleet, the alien ships begin to withdraw to their own dimension. But as they retreat the aliens launch a ground operation and take a senior Space fleet officer captive. 
Captain Maguire is forced to pursue the aliens taking the fight to their home world.

Interdimensional, a starship trilogy

The column proceeded without pause or any sign of slowing down. They pushed on through the night going deeper into forest. It felt like they had been on the move for hours, during which captain Maguire struggled desperately against his bonds 


It was a hopeless attempt with the only results being that the fibres binding his wrists only tightened. Almost cutting into his skin of his wrists and causing him excruciating pain. Finally exhausted from his exertions ,captain Maguire gave up trying to undo or at least wriggle his hands free. 


Watching their athletic captors energetic pace, he caught himself almost admiring their athleticism. That was before the reality of their situation dawned o him again. He and the research team were being carried off to who knew where. He realised that with each step their captures took they were being carried away from their last known location. 


Meeting of minds