26岁的呆男Leo，恋上年近40的姐姐Judy，不料却发现这位“真命天女”，曾经是个“他”！两人的感情如何发展，Leo如何向父母交代，Judy是否能抓住这一次的爱？

In a South Yorkshire city, Ryan Sinclair, Yasmin Khan and Graham O'Brien are about to have their lives changed forever, as a mysterious woman, unable to remember her own name, falls from the night sky. Can they believe a word she says? And can she help solve the strange events taking place across the city?