Episode 17Ross is discharged for medical reasons and returns home to find Warleggan occupying the house of his elderly aunt and expecting his first child by Elizabeth.
Episode 18
E2
Episode 18Elizabeth's son Geoffrey facilitates a romance between Drake Carne and Morwenna while Ross learns that Dwight is a POW in France.
Episode 19
E3
Episode 19Morwenna's love for Drake causes her to reject an arranged marriage with a pompous minister, and Drake bedevils George by seeding his pond with toads.
Episode 20
E4
Episode 20Warleggan presses trumped-up charges against Drake in revenge for his romance with Rowenna, and Ross plans a daring rescue of Dwight from a French prison.
Episode 21
E5
Episode 21Ross and his men successfully return Dwight from France, but Drake is severely wounded, and Watleggan's son develops a serious case of the rickets.
Episode 22
E6
Episode 22Whitworth becomes sexually frustrated when Behanna asks him to abstain for his wife's health, and Warleggan stands for Parliament after Ross declines the opportunity.
Episode 23
E7
Episode 23George, newly elected to Parliament, has become obsessed over Valentine's as Whitworth takes on his teenage sister-in-law as mistress.
Episode 24
E8
Episode 24At George Warleggan's behest, Sid Rouse categorically harasses Drake and his smithy. Meanwhile, Rowella announces to a horrified Rev. Whitworth that she is with child.
Episode 25
E9
Episode 25Sam consents to wrestle Sid Rouse at the fair in order to get Emma back to church while Warleggan agrees to stop harassing Drake in order to save his marriage.
Episode 26
E10
Episode 26Caroline goes to London following her child's death, Whitworth reestablishes relations with money, and Ross secretly visits Elizabeth during a Warleggan party.
Episode 27
E11
Episode 27Whitworth attempts to break off his ongoing affair with Rowella but is seduced into continuing when Solway becomes aware he's being cuckolded.
Episode 28
E12
Episode 28Warleggan wagers Adderly that he won't be able to seduce Demelza, and when he fails at that, he goads Ross into challenging him to a duel.
Episode 29
E13
Episode 29Warleggan tries to have Ross arrested after the duel and Elizabeth consults with a doctor to have her baby prematurely to allay George's suspicions.
