In a desperate bid to rescue the last remnants of humanity, three survivors on a secret Moon base embark on a perilous journey through time, unaware that the sinister Sentinel is watching their every move.
Sentinel
Three heroes embark on a perilous journey to a Moon base to alter the course of history by traveling back in time and stopping a catastrophic alien invasion that threatens humanity's existence. Unbeknownst to them, a sinister force, known as the Sentinel, is covertly shaping events.