TREKCORE > GAMING > THE TRANSINIUM CHALLENGE > Official Description

From the box back:

Terrorist attacks in the Aquila Star System... An unknown aggressor threatens the Enterprise... First Officer Will Riker placed in command...

Ambition and greed combine in a desperate bid for galactic dominance. To turn back this threat, Riker must discover the secret of a lost Aquilan civilization and unravel the mystery of the enigmatic children wandering through its ruins.