Amar Singh, investigates "Operation Mayfair"- a case of a mysterious serial killer in London. Detective Lisa and physiatrist Sonya assists Amar but with no clues or forensic evidences, the cat and mouse game continues.. MAIN Cast JIMMY SHEIRGILL- Amar Singh, London police detective. ANKUR BHATIA- Kevin Da Costa, London police Forensic officer. VEDIEKA DUTT- Lisa Varma, Detective Chief inspector. HRITTIQA CHHEBER- London police Physiatrist.