In August, 1991, Estonia reclaims its independence from the USSR and brings to its national bank nearly $1 billion in gold bullion hidden in Paris for 50 years. Russian mobsters have a bold plan to hijack the gold after shutting down the capital's power at midnight

With his last breath Uu's friend entrusts him with the secret of how to go to the past. Uu is an engineer and doesn't believe in miracles, but the trick works. In the past there is a pleasant, eternal summer, long hair, girls and Jenkki chewing gum. In his real life, it is autumn, his friends are bitter, the girls are married and his father is seriously ill. At the end of the day, however, Uu has to decide in which time to live his life - in the summer of the past or in the autumn of the present.