An international cycling race requires the full commitment of all forces, there is not only rivalry between the competitors, but also a willingness to help each other.

The leader of the fast-track workers' party is appointed worker director of the unprofitable Lucie mine. The wrong decisions he makes to increase production at any cost and to fulfil an unrealistic plan lead to a catastrophe in which his son is accidentally killed. After overwhelming criticism, the failed director wants to quit, but the senior management and party authorities continue to have faith in him...