Elizabeth takes advantage the chance to battle Regina and Sir Richard at the Prime Minister's dinner. Harry helps Sarah heal some deep emotional scars, and George restores order at Ash Park.

Elizabeth calls Anna and Gino back from Italy to set her plan against Regina in motion, but Gino disapproves of her using Rose. George and Regina return to Inverness from Canberra, unaware of the trap Elizabeth has laid.

The Bligh family lets Regina think she's won, while George carries out his own plans. James and Harry attend the party in Sydney with Henry's friends, but Harry feels left out. Gordon resumes his stakeout on Sarah.

With Regina on the run, George and Jack press Rose for information on her whereabouts. As tensions come to a head, Regina and Sarah face a desperate confrontation.

The death of a local schoolteacher leads Sarah to a shocking discovery. Elizabeth's new attitude toward life stuns the family. George takes charge of James and Olivia's separation as they struggle to move on with their new lives.

Sarah, Elizabeth, and Anna devise a plan to destroy Regina. James shares his feelings with Henry --but will Harry's return spell trouble? Regina initiates a dangerous new strategy to get rid of Sarah.

Carolyn and Jack continue to be apprehensive about Sir Richard's threats against them, even as their wedding day approaches. Harry and Roy notice Milly's fiance, Gordon Walsh, following Sarah and warn her that she may be in danger.

Jack and Carolyn's honeymoon is interrupted by the revelation that Sir Richard is targeting Douglas's refuge for needy veterans. As George prepares to leave for Canberra, Sarah asks the Bligh family to keep away from the birth to avoid scandal.

When Sarah and Roy go to Sydney to deal with Sgt. Taylor's accusation, Sarah finds more than she bargained for. Henry's confession forces James to sort out his true feelings.

As Sarah faces Sgt. Taylor's strong suspicion that she murdered Milly, Regina weaves another web to keep George trapped. James is rattled a confession from Olivia.

After a long and difficult labor, Sarah gives birth, but the baby's future remains uncertain. Carolyn tries to follow Sarah's wishes and prevent Elizabeth from telling George the news.

Sarah tells George that she invited Harry to stay with her and Roy, a decision that angers Elizabeth, who can't help but interfere. Elizabeth and Sarah become adversaries again over whether or not Harry should remain in Inverness.