The Forsytes prepare to celebrate daughter June's 18th birthday and her entrance into society - but her father Jolyon makes a shock announcement at the party. And Frances makes a distressing discovery.
Frances reels from her discovery. The Forsytes prepare for a night at the opera. Jolyon visits Louisa, but he is spotted leaving by James, who comes to a realisation. Soames faces heartache.
Jolyon recalls his affair with Louisa but fails to reassure June. At Forsyte & Co., James's scheme to oust Jolyon backfires. And Soames solidifies his engagement to Irene with a ring.
Jolyon assures Frances and June he has cut ties with Louisa. Frances resumes her efforts to secure Horatio for June. In Paris, Soames begins to realise he doesn't fit in with Irene's friends.
At Forsyte & Co, the climbing Ceylon Gold share price casts doubt on Jolyon's cautious approach. Disaster strikes at the Ceylon Gold mine, prompting the share price to plummet.
Frances struggles to hold it together, fearing she is a source of gossip following Jolyon's departure. Irene admits to mourning the life she was promised. Jolyon and Soames argue.
Soames dreams of fatherhood as Jolyon Jnr attempts reconciliation with the Forsytes. Despite tensions, Louisa suggests they remain in London, while Irene seeks advice.
Irene deceives Soames by avoiding pregnancy, Soames admits that he ruined the Herons. Jolyon Jnr faces Forsyte rejection, and tensions surface at Elijah's christening.
Irene navigates public scrutiny, Jolyon Jnr rejects his family fortune, and Soames seizes control, igniting financial, personal, and moral tensions within the family.
Ambitions, romance, and family tensions escalate as sickness and jealousy ripple through Forsyte lives, culminating in a sudden, devastating loss.
In the wake of Louisa's death, fractured loyalties and forbidden desires threaten the Forsytes' fragile unity, as business, love, and legacy collide with devastating consequences.
Jolyon Snr rewrites his will, family tensions simmer. Phil oversteps, June faces a painful realisation, and Irene attempts to break free from Soames's control.
