In 1941, music-loving sisters Thomasina and Martha build a machine called LOLA which can intercept broadcasts from the future. While the sisters initially use the machine for small ventures like becoming the first fans of 1970s music, they soon realise that it may hold the key to defeating the Nazis. LOLA proves to be massively effective in shifting the tide of the war, but as Thomasina begins to become carried away with the level of power the machine holds over the future, the sisters soon discover the world-altering consequences of their actions.

Find out more: