Vanished Echoes is a fictional story presented in a dramatic news broadcast style. It centres around the disappearance of a 10-year-old girl named Lucy Carver in London. One day, Lucy goes missing while walking home from school, triggering an extensive police search and investigation. As the hours pass with no sign of Lucy, tensions escalate. Anti-immigrant groups begin protesting and rioting, believing an immigrant is responsible for Lucy's abduction. Chaos and unrest spread across London. An innocent woman is killed in a bombing. A Bulgarian immigrant named Nikola Petkov is falsely accused as a suspect. The police investigation flounders amidst the upheaval. But then a critical clue emerges about a mysterious older boyfriend of Lucy's named Derek. Authorities pursue this lead, believing Derek groomed Lucy into going with him. In a dramatic turn, Lucy is spotted with a man boarding a ferry to France. Police coordinate an operation with French authorities to intercept the ferry and rescue Lucy. After a tense standoff, she is retrieved safely, though deeply traumatized. The kidnapper is revealed to be a vengeful father, blaming Lucy's dad for his own son's death. In the aftermath, Lucy begins the long process of healing from her harrowing ordeal with the support of her loving family. The country also starts recovering from the chaos and reflecting on the hard lessons learned. At its core, Vanished Echoes explores social divides, justice, media ethics, prejudice and redemption through an engaging dramatization of a missing child story that captivates the nation.