Olivia Sazon (Carmina Villarroel) is a mother who is desperate to find help for her terminally-ill daughter. 　　As she takes on a demanding job at a call center in an old building in Manila, Olivia begins to experience a series of strange events that creep into her personal life. 　　And when the events start to affect her daughter's behavior, Olivia is forced to uncover the mystery t...