Episode 7

 is the seventh and final episode of the first season of World on Fire. It aired on November 10, 2019.

Synopsis
On a Polish mission as part of the SOE, Harry grasps a second chance at saving Kasia from the horrors of Warsaw, while Lois looks set for happiness with new love, Vernon.

Cast

 * Julia Brown as Lois Bennett
 * Jonah Hauer-King as Harry Chase
 * Yrsa Daley Ward as Connie Knight
 * Helen Hunt as Nancy Campbell
 * Zofia Wichlacz as Kasia Tomaszeski
 * Arthur Darvill as Vernon Hunter
 * Lesley Manville as Robina Chase