If you’re a fan of high-concept sci-fi but tired of the same old big-budget tropes, it’s time to talk about . Released in 2017 and directed by Ben Foster and Mark Dennis, this indie thriller manages to do more with a $1 million budget than many blockbusters do with $100 million.

As the students realize they’ve been underground for what they think is an hour, hundreds—then thousands—of years have actually passed for the rest of humanity. Time Trap (2017) - Who Cares What You Think?

The story kicks off with an archaeology professor, Hopper (Andrew Wilson), who goes missing while exploring a remote Texas cave system in search of the legendary "Fountain of Youth". When he fails to return, a group of his students—and a couple of tagging-along younger kids—set out to find him.

What makes Time Trap so gripping is its central conceit: . Inside the cave, time moves at a crawl compared to the outside world.