In 2013, a 21-year-old student vanished inside one of Los Angeles' most infamous buildings. Her final appearance-captured in elevator surveillance-sparked global obsession. Her body was found weeks later in the hotel's rooftop water tank. The door was locked. The alarms never tripped. No one saw her leave. And nothing ever made sense. In this fifth installment of the Resonant Files, forensic investigator L. Keller retraces the final steps of Elisa Lam-from hostel lobby to the elevator that broke the internet. What begins as a routine case spirals into a web of digital ghosts, missing minutes, and surveillance footage that behaves like memory... not evidence. This isn't a ghost story. It's worse. It's real.