An engineer named Francesco arrives on Emerald Island in the Seychelles and is instantly smitten with the local girl Jeanine, whose sister ran off with the previous engineer -- neither of them to be seen again.

Requiem per voce e pianoforte is a captivating crime drama based on a best-selling novel. Filled with mystery and suspense, it follows the story of a detective who must unravel a complex web of deception to solve a series of perplexing crimes. As the detective delves deeper into the investigation, he discovers shocking secrets that threaten to destroy everything he holds dear.

Jennifer is melancholic and romantically unsatisfied transgender who lives in a studio apartment in Naples. In the meantime a serial killer is claiming victims in her neighborhood. She is waiting for a phone call from Franco, an engineer from Genoa currently in Milan for work, with whom she had a relationship some time before, but there are malfunctions in the telephone line. Anna, another transgender, comes to help her and they start to know each other.