"WANTED: Someone to go back in time with me. This is not a joke. You get paid after we get back. Must bring your own weapons. SAFETY NOT GUARANTEED. I have only done this once before."

An unusual classified ad inspires three cynical Seattle magazine employees to go looking for the story behind it. They discover its author is a mysterious eccentric named Kenneth, a likable but paranoid supermarket clerk, who believes he's solved the riddle of time travel and intends to depart soon. Together, they embark on a hilarious, smart, and unexpectedly heartfelt journey.