For billions of years, it has been providing us with light and energy, enabling both life and growth: the sun. But many scientists have grave concerns: as huge, unpredictable solar storms are increasingly threatening our electricity and power supply. The US space agency NASA has constructed a space probe with which to investigate the cause of the mysterious phenomena. The "Parker Solar Probe" is designed to send scientific data to the earth for a period of seven years and help to solve the mystery surrounding the storms. A film dealing with the dangers, the ques-tions and the initial answers.