Poldark

As Demelza manages their affairs in Cornwall she encounters disenchantment and a new opponent, Tess. George meanwhile struggles to engage with the world after Elizabeth's death and it falls to Cary to expand the family empire - as Valentine struggles to find his place within it.
Arriving in London, Ross finds a city gripped with paranoia, and is determined to save Ned from the conspiracy that imprisoned him. George enters into an alliance with the merchant behind Ned's imprisonment, Ralph Hanson, whose business is in upholding the slave trade. Meanwhile, Geoffrey Charles decides to follow in Ross's footsteps and enter the military - but also finds himself drawn to Cecily Hanson, Ralph's daughter.
As George's grief leads the Warleggans into uncharted and worrying territory, Ross discovers a grave plot and is urged to heroism, while Demelza is forced into action herself back at home.

George pursues the fruits of his new alliance, but his lingering grief has unexpected consequences, and as Ned confronts the man responsible for his downfall, Demelza fears they are entangled with forces beyond their control. Meanwhile, Drake and Morwenna continue tentative steps forward in their relationship, Geoffrey Charles learns he must tread carefully if he is to gain Cecily's father's favour, and Ross tries to find a man who may hold the key to clearing Ned's name, but finds himself in a compromising situation.

Hanson's presence in Cornwall raises suspicions, and as Demelza wrestles with how best to equip the community to look after itself, Morwenna lends herself to the cause and finds new hope. Geoffrey Charles and Cecily's relationship continues to blossom. Meanwhile her father Ralph pursues an arrangement with George, but George's sanity continues to deteriorate and Cary struggles under mounting responsibilities.

Ralph seeks to ruin Ned as rebellion stirs and the Poldarks are trapped in the middle.

George's cabal moves to ruin the Poldarks, and Morwenna wrestles with a heavy decision.

Ross fights for Ned's life as Demelza uncovers betrayal and the young lovers take flight for a future together.

Demelza discovers the French are smuggling arms into Cornwall, but Ross is determined to take revenge on Merceron and Hanson for framing Ned and returns to London to confront them. Sam continues to meet with Tess against all caution as Cecily and Geoffrey Charles plan their escape with Ross's help, but the danger that stalks the Poldarks follows swiftly.

Several months have passed and Ross has got in deeper with the French invasion force as they prepare to welcome their leader General Toussaint. Meanwhile, Morwenna and Drake are ready to welcome their baby, while George stumbles on the means to undo Ross once and for all with the help of Merceron and Hanson. Ross and his friends must launch their most daring plan yet to try to save themselves and the country from enemies both at home and abroad.