Fifteen years in the future, Harry Kim and Chakotay break Starfleet laws to change the past and prevent a catastrophe that grounds Voyager and kills the rest of her crew, all because Harry thought he figured out how to work slipstream drive. With Starfleet authorities soon to come breathing down their renegade necks, Harry, racked with guilt, races to send a message back through time to stop himself.
—statmanjeff