The China Syndrome

The China Syndrome is a 1979 American thriller film that tells the story of a television reporter and her cameraman who discover safety coverups at a nuclear power plant. It stars Jane Fonda, Jack Lemmon, and Michael Douglas, with Douglas also serving as the films producer.

China syndrome is a fanciful termnot intended to be taken literallythat describes a fictional worstcase result of a nuclear meltdown, where reactor components melt through their containment structures and into the underlying earth, all the way to China.While visiting the fictional Ventana nuclear power plant outside Los Angeles, television news reporter Kimberly Wells Fonda, her cameraman Richard Adams Douglas and their soundman Hector Salas witness the plant going through an emergency shutdown SCRAM. Shift Supervisor Jack Godell Lemmon notices an unusual vibration while grabbing his cup of coffee which he had set down. He then finds that a gauge is misreading and that the coolant is dangerously low he thought it was overflowing. The crew manages to bring the reactor under control and can be seen celebrating and expressing relief. ........

Source: Wikipedia