女警察莫莉·麦基领导调查一名身份不明的妇女谋杀案。为了解决这个案子,莫莉必须和亚历克斯·奥康奈尔合作,而她已经20年没和他说话了。他们发现这起谋杀案与过去的一个悬案有关。。At a time when tributes to it are on the rise - the Yale University library has just opened a VHS department - this is the history of the VHS, a globalized medium. The entertaining portrait of the mythical cassette, through a journey from East to West, then from West to East. The film will also take a look at the 1980s, a period that defined our world.。