Home and Away spoilers follow.

One Home and Away couple are set to face a huge exit decision as two more characters decide whether to leave Summer Bay.

Viewers will know that Lacey Miller’s mum died in a car accident, and she thinks that her sister Jo Langham is responsible for the crash, though their dad David Langham has been protecting Jo.

What to Read Next
After voicing her opinion to her sister, Lacey recently employed a private investigator to look into the accident to try to uncover the truth once and for all.

In scenes set to air in Australia this week and in a few weeks’ time in the UK, Lacey continues to struggle with the loss of her mum and finding a way forward through her grief.

Unable to face the trauma of her mother’s death, or the rift with her sister, Lacey decides that she wants to leave Summer Bay for good (via TV Week).

Related: Best streaming services

After the Langhams throw a barbecue to celebrate the purchase of their new home, which Irene sold to them in order to leave town, tensions begin to bubble over.

Left in a state of confusion and anguish over what happened the night that her mother died, Lacey still yearns to have a whole family.

She knows that Jo was the one behind the wheel, but with no recollection of what happened, her sister is unable to piece it together. Is Jo really responsible for the crash?

Following the barbecue, Lacey decides to debrief with her boyfriend, offering him up a huge proposal that leaves Theo stunned.

With everything that has been going on, Lacey asks Theo to leave Summer Bay with her, leaving her boyfriend feeling torn.

Leaving Summer Bay would mean Theo would have to say goodbye to his loved ones including his Aunt Leah and Uncle Justin, so he insists he needs to think it over.

Later, over a beer with Justin, Theo realises he can’t live his life without Lacey. Will he choose to leave with her, and will this mean the exit of two more characters?