Followed by Pulse 2: Afterlife (2008). When wireless technology puts humans into contact with an unstoppable force that's determined to claim the lives of the living for the souls of the damned, it's up to a group of determined teens to close the gate before it's too late. A doorway between the human realm and the spiritual realm has been opened, and now the technology that once made humankind the ruler of the planet has become its digital Achilles heel. With every call made and every e-mail checked, life is slowly being stolen from the living and claimed for the dead. With no way of turning off the connection and no means of reasoning with a force they cannot understand, a desperate group of college students must discover a means of stopping the takeover before the entire planet is transformed into a cosmic haunting ground for wayward souls in search of a home.