A single mother, Olivia, takes on a job in call centre to earn money to pay for her sick daughter’s medical bills. The call centre is set on the top floor of an old hospital owned by a rich family with a dubious past. While finishing work late one night, Olivia assists a young girl, Nerisa, who seems to be trapped in the building. Her daughter then stages a miraculous recovery, but something doesn’t seem quite right. Is it worth watching? This is a movie of two very distinct halves, heavily inspired by Korean cinema. The first half is an excellent mystery thriller story. The pacing is ...