The Blacketts intensify their campaign to secure Matthew's allegiances and Walter remains obstinate, despite the Japanese bombing Singapore. Vera nurses Matthew through his fevered delirium while the Major is warned not to trust her. Charlie, Sylvia's brother, re-joins his regiment and Ehrendorf volunteers, and Matthew makes a momentous decision.

Cast: David Morrissey, Colm Meaney, Elizabeth Tan, Luke Treadaway, Jane Horrocks, Nicholas Agnew, Lilo Baier, Joe Bannister, Ed Birch, Georgia Blizzard, Sam Cox, Tom Edden, Bart Edwards, Dan Farrell, Christophe Guybet