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

"Welcome aboard your majesty", captain Maguire greeted queen warmly rising to his feet as queen Quintara walked onto the bridge accompanied by a security detail. 


"Thank you captain, your sky nest is impressive", queen Quintara commented looking around in admiration. 


"I will be glad to take you on a tour of the Sandawana, after the present crisis has been resolved", said captain Maguire warmly 


"I would like that", said queen Quintara replied pleasantly. 


"Please take a seat your majesty", he said indicating a chair that had been placed next to his command seat. 


"Thank you captain", queen Quintara replied, sitting down. 


"Your majesty, when we arrived you were locked in a fight with beings from another dimension. It seems they have been brought to your world by a signal, the same signal that reached Earth and brought us to your world". 


Meeting of worlds