The 23-year-old's alter ego Declan Napier will be seen sharing a kiss with Kate Ramsay (Ashleigh Brewer) on Australian screens next week.
Sorensen has admitted that the storyline could prove controversial among fans who supported Declan's relationship with wife Bridget (Eloise Mignon) before her death earlier this year.
Speaking to TV Week, the actor commented: "It's a difficult situation. Declan was truly in love with Bridget. He was one of the lucky ones to have found his soul mate early in life, but at the same time, he has to move on and live his life.
"A lot of people do think it's too soon for another relationship. But I can assure you that it's done very tastefully."
On Declan's reaction to the romantic moment, Sorensen said: "He feels as though he's cheated on Bridget and that he hasn't mourned for long enough to be able to move on without showing proper respect to the love of his life. He's left confused and upset."
Mignon quit her role as Bridget in order to concentrate on pursuing a degree at university.