Colorful characters of various ages, personalities, professions, and hobbies are all searching for happiness, though each in a different place and with a different outcome.

When a train unexpectedly changes directions, a group of eccentric passengers must work together to reach their destination safely.

Vera has lived a wonderful life with Jindrich, and she is fully determined to fulfill his last wish - running a marathon. The emancipated and spirited mother of three daughters doesn't think that doing so will be a problem. She and her daughters will split up the route into four parts, and they'll overcome the over 42-kilometer-long challenge as a family relay team. Of course, the fact that neither of them has ever ran even a meter poses no problem.

Three young Praguers experience the sorrows and pleasures of partner life. Sasa forces husband Karel to a relationship pause. Shortly thereafter, he meets her friend Dusan, to whom she moves temporarily. She finds refuge with him. They are both trying to work out their relationships and provide support for each other as they falter in their uncertainty. Although there is no romantic relationship between them, they discover a strong bond that they seem to lack when dealing with other people.