Plot:
A few are researching the wilderness before the Isa teleports from the camp into the lab? She learns that her sister, Karen has arrived
and shows her around the project.

Will it play Shaft 8-track, too?
Apparently, they're sending people into the future to avoid some sort of eco-crisis.
The sisters head into the future but an accident sends them back to the present. They can't find anyone at the project.
Survival equipment is getting swiped from the project to be used in the future. At the future, the group is setting camp. Ronald and
Karen look for supplies. They find a car and a train before the cute couple montage ensues. They find the other cgroup who have found the
survivors of the disasters that have no government but are caring, etc...
Karen leaves the group and heads to the the original basecamp, which has been ravaged and wrecked. Isa attacks her.

With my sharp pointingjabby thing I shall rule all of you...
Karen manages to go back tounderground temporal base. Activating the time machine, Karen returns to the present base for food and supplies
to return to the future.
In the cold winter, Karen has flashbacks before she's picked up and thrown into the car trunk.

Just throw another hitchhiker in the trunk for another hundred miles when you
run low.
It was the car Karen and Ronald found earlier. A kid is being told the story of Karen by some adults who grabbed her and threw her
in the trunk. The kid asks about how the world will end when they run out of people to grab and throw in car trunks.