When Aidan’s work forces him to cut short a getaway with Bess, their unsteady relationship seems headed for an end as abrupt as their road trip’s, but an empty gas tank and insistent billboards for Time Travel USA lead them to an experience greater than any adventure they could have planned. They are stretched to their limit on the open road as time ticks forward, promising more than it can give, taking them right where they need to go, and back.