It wasn't a mistake

The destruction of the Klingon moon of Praxis changed galactic history. A tragic accident. Or not. A century after the moons destruction Starfleet has been invited to join an investigation that could change the course of the future, and throw the galaxy into war. 

This is a STA 2nd game, suitable for more experienced Star Trek players, although you don't need to be familiar with the 2d20 system or the 2nd edition version of the game. All characters will be provided, or you can bring your own.