Home and Away spoilers follow for UK viewers.

Home and Away schemer Heather Fraser will finally expose her true agenda in the UK's season finale episode next week.

Heather has spent the past few weeks plotting against her long-lost mother Marilyn Chambers, hoping to drive a wedge between her and her closest friends.

Marilyn's best friend Roo Stewart has been particularly charmed by Heather, repeatedly supporting the Summer Bay newcomer even when others became suspicious.

In next week's episodes on Channel 5, Heather drops the innocent act as she puts an elaborate revenge plan into action, leaving everybody with no doubt over what she's capable of.

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Heather lures Marilyn to a luxury property in the middle of nowhere, explaining that it used to be her boarding school.

The location holds unhappy memories for Heather, who feels that she was badly treated by her father and stepmother after Marilyn abandoned her.

Heather then convinces Marilyn that they should invite along Roo, Alf Stewart, Irene Roberts and Leah Patterson for a lavish lunch event at the mansion.

She suggests that it's the perfect opportunity for them both to make amends with the foursome after recent tensions.

heather fraser in home and away
Channel 5

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Shortly after Heather sends out the digital invites, Marilyn finally becomes suspicious. Heather responds by attacking her mother and knocking her out cold.

The next day, Roo, Alf, Irene and Leah all hesitantly arrive for the mysterious lunch invitation.

Marilyn has regained consciousness but is physically restrained in an upstairs room. The others are clearly falling into a trap, and Heather forces Marilyn to watch everything via a hidden CCTV camera.

Roo, Alf, Irene and Leah all sit down with drinks, unaware that Heather has spiked them. They all briefly lose consciousness, giving Heather an opportunity to tie them up.

leah patterson in home and away
Channel 5

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Later, as Alf struggles to breathe, a panicking Roo points out her father's health issues. She's horrified when Heather refuses to untie Alf or get him any help.

Heather then continues her games by bringing Marilyn downstairs and ordering her to tell her friends the truth about their secret connection.

With Heather's behaviour becoming increasingly unstable, will everyone make it out alive?

alf stewart and irene roberts in home and away
Channel 5

Home and Away airs these scenes on Friday, November 18 at 1.45pm on Channel 5 and 6pm on 5STAR. First-look screenings air at 6.30pm on 5STAR and the show also streams on My5.

Selected classic episodes are available via Prime Video in the UK.

Read more Home and Away spoilers on our dedicated homepage

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