The world is still reeling from the events of Hong Sha. Daniel tries to build a new life with Viktor, but ex-husband Ralph takes a terrible revenge which will have consequences for the whole family. Badly affected by what happened abroad, Edith returns home for good. With Rosie, she attends Viv Rook's political rally and is amazed by her power and passion. Celeste loses her job, but that's just the start of her problems: when she and Stephen are woken at 4am by a series of urgent texts, they realise their entire life is about to come crashing down.