The War Between the Land and the Sea

S01E04 The Witch of the Waterfall

Amidst the chaos of a war-ravaged London, Barclay and Salt find themselves fleeing for their lives as UNIT faces a major crisis. Meanwhile, Tide poses a new threat to the nation while Gunsberg pushes forward with his sinister agenda. As the situation escalates, the Severance's plots grow increasingly desperate, calling for a sacrifice.