In Gurgaon a call center, Shreya, a young team lead, hides a secret affair with her married boss Khurana. One night, she receives a haunting call a woman’s voice whispering, “Main jaanti hoon tumne pichle saal kya kiya.”The voice belongs to Shirly, a former colleague who mysteriously vanished. When Shreya and Khurana trace the call, it leads to Shirly’s old, unused terminal. Khurana breaks down and admits he murdered Shirly, who was pregnant and threatening to expose him.Moments later, Shirly’s spirit returns, killing Khurana and claiming her justice leaving Shreya trembling in horror.