On one very fine sunny day, a fourth-grader Thomas, as always, is out of the house in the morning to get to school by subway. But on this day he has a too good mood and that, along with the good weather, prevents him get to the lessons. He decides to skip his station, and take a walk through Berlin.

Daniela – a single mother, whose boyfriend left for the US – believes wholeheartedly in Cuba's revolutionary new order. Meanwhile, in Florida, a plot is afoot. Under the command of an American officer, four Cubans ex-patriots and a Guatemalan land on the Cuban coast to prepare a US invasion of the island. Daniela's superior, the corrupt Cuban officer Palomino, is secretly helping the invaders and the young woman becomes entangled in the intrigue.