Found Wandering Lost.

Pulling his girlfriend Allison into the whirlwind of his ambitions, Trent is desperately on the run from contracted hitmen Henry and Tim as he slips into the deep, desolate backroads that criss-cross the empty rolling plains. Along the way Trent stumbles upon Ben, a nomadic drifter who now calls these roads "home," along-side his wife Michelle as they wander in the vast openness that is the Flint Hills.