Tony is a gambler who loses everything he owns to an evil gangster. He makes one last bet and tries to win it all back. But he makes a bad call and loses his soul. Now he has 24 hours to give the gangster some money. Or he will become his slave forever.

In 1973, the 20-year-old Svante has a heart condition that the doctors cannot fix. When he has a breakdown on a subway platform, a strange train suddenly appears. He steps into the subway car filled with wonder, without knowing that the destination is the future. In the future he meets Elsa and together they must solve Svante's problems and figure out how to live together when they are from two different eras.