Tess is a young fashion designer who develops a strong bond with a fellow passenger during a ride-sharing trip. However, she soon realizes that her new friend has a dark agenda - making sure that Tess never leaves her.

A down-on-his-luck archaeologist returns from a cave expedition that contains a cursed relic that's also a portal to Hell. He discovers that the only way to stop the curse on his family is to go back to the cave and destroy the relic.