The untold story of Katherine G. Johnson, Dorothy Vaughan and Mary Jackson – brilliant African-American women working at NASA and serving as the brains behind one of the greatest operations in history – the launch of astronaut John Glenn into orbit. The visionary trio crossed all gender and race lines to inspire generations to dream big.

In season one we are introduced to the local community through the eyes of young nurse Jenny Lee as she lives and works as a midwife alongside the Nuns of the Order of St. Raymond of Nonnatus in the deprived Poplar district of London's desperately poor East End in the 1950s.