An American officer and a North Vietnamese prisoner of war are stranded and chained together in the jungle during the Vietnam War.
The former head of the Institute of Science - Professor Molnar, returns to the Institute to seek treatment for his heart condition. The new director of the Institute, and his former assistant, Dr. Egberg had a falling out with Molnar after the latter considered his research unethical. However, after waking up from surgery, Molnar makes a horrifying discovery; Egberg has swapped their brains!
Two boys set out by train from Kraków to the seaside but lose their travel money and decide to continue their journey “for a smile,” hitchhiking and using every transport they can find.
