It’s the mystery that’s haunted Summer Bay for years — and now, a stunning new twist threatens to blow everything wide open. In an explosive upcoming Home and Away storyline, David (Julian Quinn) begins to suspect that Jo’s ex-lover could be the murderer responsible for that unsolved killing that rocked the Bay years ago.

Longtime viewers will remember the case: a tragic death that left the community shattered and the culprit never caught. But when new evidence surfaces — and David starts piecing together clues that everyone else ignored — old ghosts come back to life in the most shocking way possible.

“David’s investigation starts small,” a Home and Away insider reveals. “But the deeper he digs, the darker it gets. He starts to see patterns — and all of them lead back to one person. Jo’s ex.”

The tension escalates when David confronts Jo (Lisa Gormley) with his suspicions, sparking a fiery showdown between the two. Jo, who’s fought for years to leave her past behind, is thrown into turmoil when the man she once loved becomes the prime suspect in a cold-blooded killing.

“It’s emotional, raw, and deeply personal,” says the source. “For Jo, it’s not just about facing the truth — it’s about realising she may have spent years defending a man who’s capable of murder.”

As the investigation intensifies, viewers will see David torn between doing what’s right and protecting Jo from the fallout. But when a crucial piece of evidence emerges — something that ties the ex-lover to the night of the crime — everything changes.

Behind the scenes, cast and crew have teased that the storyline will be “one of the most gripping murder arcs in recent Home and Away history.” With flashbacks, confessions, and shocking reversals, the truth promises to leave fans speechless.

“It’s not just a murder mystery,” another insider adds. “It’s a story about love, guilt, and how the past always finds a way to catch up with you. David’s discovery sets off a chain reaction that will change lives in Summer Bay forever.”

Fans online are already buzzing with theories — with some convinced that Jo’s ex-lover has been hiding in plain sight all along, while others believe David himself may be getting too close to danger.

Meanwhile, whispers on set suggest that this storyline could lead to a major character exit, with one cast member reportedly filming “highly emotional final scenes” earlier this month.

As secrets unravel and loyalties are tested, the line between justice and obsession begins to blur. And when the truth finally comes out, one thing is certain — Summer Bay will never be the same again.

Prepare for a Home and Away bombshell like no other, as David’s chilling suspicions expose a truth buried for years — and a killer who may have been closer than anyone ever imagined.