Two Jacks Don't Suit (S02E02)

A former flame threatens to derail Anne Lister’s idyllic honeymoon by revealing details of her complicated romantic past to Ann Walker. Questioned by Ann in the foothills of Mont Blanc, Anne reveals something of her relationship with Mariana Lawton, but keeps back crucial information. Back in Halifax, the couple’s daring trip abroad has raised the alarm among Miss Walker’s family, who hatch a plot to marry her off to a man. (BBC iPlayer)