During one single day a number of life destinies cross one another. It becomes a night for the involved they will never forget, a night when the coincidences are going to change their lives forever.
John and Carl have a small publishing company. One day John meets the poet Clara who recently made her debut, and Clara's fiancé Stig. John and Clara fall in love with each other, and she moves into an apartment owned by John. John breaks up with his wife and moves in with Clara. But Clara has a nervous breakdown.
Steve works as a locksmith and one day he meets Lotta in his work. After helping her get back into her apartment they decide to see each other again. Though they are dating Steve still goes out with other girls, and in situations like this a big city quickly becomes a small town.