Saburo isn't having a good day, or even a good week, but at least it's Friday and he can escape his working life for the weekend.
Mariko isn't having the best of days either - she really needs to get away from it all.
They sit facing each other on the train, opposites in many ways.
He's a tall, handsome, well-built, thirty-something executive in an expensive suit.
She's a small, plain looking, mid-twenties punk.On the surface they have nothing in common, but each secretly envies the other's life.
As they begin to imagine what the other person might be like, the boundaries between the dream world and reality slowly begin to disappear....