Sam's younger brother, Tom, falls desperately ill but the doctors disagree about the diagnosis. Meanwhile, the maid reveals some secrets about how Tom has been living. Sam and Elizabeth have an enormous row which continues when she follows him to the office 'like a vixen with a look of rancour'. When Tom dies even more surprising secrets are revealed.

Cast: Samuel Pepys - Kris Marshall, Elizabeth Pepys - Katherine Jakeways, Will - John Biddle, Cousin Jane - Manon Edwards, Tom Pepys - Gareth Pierce, Dr Wiverly - Matthew Gravelle, Dr Powell - Ewan Bailey, Gravedigger - Lee Mengo.

Theme music: Gather Ye Rosebuds While You May, words by Robert Herrick and music by William Lawes, sung by Bethany Hughes. Lute, baroque guitar and theorbo played by David Miller. Violin and viol by Annika Gray, and recorders by Alice Baxter.

Historical consultant: Liza Picard

Sound by Nigel Lewis

A BBC/Cymru Wales production, directed by Kate McAll. Show less