An army ranger and his dog embark on a road trip along the Pacific Coast Highway to attend a friend's funeral.

Casey Conklin joined the 3rd Ranger Battalion as a medic, because he always believed they were the toughest group around. After his experience in the Battle of Mosul in Iraq and receiving his Ranger tab, he doesn't question how tough he is. After returning home, he finds that he still must challenge himself to stay healthy and redefine toughness at home.

After ex-NFL star turned soldier Pat Tillman's death is covered up by the U.S. Army, Rory Fanning is discharged from the Army for resisting a second combat tour. Back home, he walks across the country while studying the history of war resistors.