Adrift
MichaelHagPenpusher
When a top-secret anti-gravitational experiment goes awry, a whistle blowing scientist is pressed back into service by the military. She must then expose a military contractor cover-up while finding a way to halt the effects of the riff before it goes planet-wide.
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When a secret anti-gravitational experiment goes awry, a rogue scientist must be recruited to contain the damage before it destroys the planet.
Dpg’s suggestion is good except it would be better to make the scientist more proactive, like in your original logline.