In one of the most emotional and confronting Home and Away storylines in recent memory, fan favourite Peter Phelps is set to return to screens as his iconic character Detective Jeff Marshall, only for viewers to be hit with a devastating twist: Jeff will be diagnosed with an aggressive form of bone cancer.

Insiders confirm the storyline is expected to run across several months and will become one of the most powerful and deeply human arcs the show has taken on in years. Producers describe the plot as “raw, authentic and unflinchingly honest,” exploring not only Jeff’s declining health but the ripple effects it sends through Summer Bay.

Phelps, who previously appeared on the series in the early 1990s, reportedly agreed to return specifically for this storyline after discussions with writers about creating “a meaningful, resonant narrative that reflects real experiences faced by families every day.”

According to production sources, Jeff’s diagnosis will come after he returns to the Bay for what appears to be a short stay. Initially brushing off persistent pain, Jeff finally agrees to seek medical help after being urged by a concerned old friend. The resulting scenes — described by insiders as “gut-wrenching” — will see him confronted with the shocking news that he has an advanced bone tumour.

“Peter throws everything into this performance,” one source shares. “He captures the fear, the denial, the heartbreak and the determination all at once. It’s incredibly moving to watch the rushes. He’s delivering some of the finest work we’ve ever seen on this show.”

The storyline will also heavily feature the emotional fallout for the characters closest to Jeff. A returning family member will play a major role as Jeff struggles with the decision of whether to undergo an experimental treatment, while several of Summer Bay’s younger characters will be drawn into the narrative as they help Jeff navigate the everyday challenges of living with cancer.

Writers hope the storyline will open conversations among viewers about early detection, emotional support networks, and the bravery of those facing life-altering diagnoses. A spokesperson for the series confirmed the team has worked closely with medical advisors to ensure the storyline is handled with the utmost accuracy and sensitivity.

Fans have already begun buzzing online, praising the show for tackling such a meaningful topic and expressing excitement about Phelps’ return. Many longtime viewers remember Jeff Marshall’s earlier days in the Bay and say they’re eager — and nervous — to see what lies ahead.

While the producers are keeping upcoming plot twists tightly under wraps, one thing is clear: this will be a storyline that stays with audiences long after the credits roll.

Peter Phelps’ powerful portrayal promises to be a defining moment for Home and Away this year — a heartbreaking, beautifully told battle that will test the resilience of both Jeff and everyone who loves him.