A chance accident brings Charlotte Heywood to Sanditon, a seaside resort on the cusp of dramatic change.
Charlotte and Sidney clash again, only for Charlotte to be left confused by a chance encounter. Tensions surround Miss Lambe's arrival in Sanditon.
Charlotte sets out to avoid Sidney, until a serious accident forces them together. Clara makes a bold move in her bid to outplay Sir Edward and Esther.
The arrival of Miss Lambe's forbidden love causes Charlotte to question her opinion of Sidney. Meanwhile, Clara witnesses a moment between Esther and Sir Edward.
Tensions between Tom and his labourers erupt during the Sanditon cricket match. Charlotte and Sidney continue to clash, resulting in Miss Lambe being placed in terrible danger. Lord Babington offers Esther a glimpse of a better future.
Charlotte and Sidney are at loggerheads but must work together to try and rescue Miss Lambe. Tom tries to save Sanditon and his marriage, whilst Edward and Clara enter into a scandalous pact to try and finally win Lady Denham's inheritance.
As the Sanditon summer regatta approaches, Sidney wrestles with his feelings towards an old flame and Young Stringer reveals his feelings to Charlotte.
On the night of the Midsummer Ball, romantic interests are finally resolved. However, the fate of Sanditon is in the balance when events conspire to leave Charlotte and the Parker family facing down impossible choices.
Charlotte returns to Sanditon and makes an important decision. Meanwhile, Georgiana meets an intriguing artist and Esther Babington has an unwanted encounter with someone from her past.
Charlotte starts her new job as a Governess for the mysterious Alexander Colbourne, Alison is determined to be reunited with her saviour, and Lady Denham receives an unwanted surprise.
Charlotte and Colbourne reach an understanding as she and Lennox enjoy a close encounter. Clara calls on Esther for help as Edward hatches a plan to ensure his stepsister's downfall.
Tensions mount for Charlotte when Colbourne and Colonel Lennox finally reunite at Lady Denham's annual Garden Party, and Edward attempts to exploit Clara's predicament for his own ends.
Colbourne asks Charlotte to keep away from Lennox, but hopes she will stay at Sanditon, and Alison realises what she has been missing.
Alison is unsure about whether her romance will continue, Edward faces reality, and Charlotte ponders her future.
Charlotte arrives for Georgiana’s 21st birthday party with her fiancé. Her friends wonder if marrying Ralph is the right decision and seeing Colbourne again leaves her uncertain.
Charlotte supports Georgiana, who faces an impossible task trying to find a lawyer. Help arrives from a most surprising place, throwing Charlotte and Colbourne together again.
The day of Georgiana’s trial arrives and is even more devastating than she had imagined. As Colbourne gets closer to Lydia, Charlotte has to confront all that she has lost.
Charlotte distances herself from Colbourne but their chemistry rises, along with Ralph’s suspicions. Georgiana is unravelling and makes a surprising decision to protect herself.
Charlotte and Colbourne rush to Augusta’s aid and reveal whether Edward really is a changed man. Meanwhile, Georgiana is reunited with a ghost from her past.
A shock revelation stops Charlotte from telling Colbourne her true feelings. Having opened her heart, Georgiana’s worst fears are realised when she discovers she’s been abandoned.
