Pulse After her boyfriend dies tragically, a psychology student (Kristen Bell) and her friends begin receiving unsettling e-mails and video messages. After a number of disappearances across campus, she teams up with a computer hacker (Ian Somerhalder) to shut down the deadly force before it spreads to the rest of the world. Pulse 2 The dead have found a way back to our world -- through cell phones and WiFi -- and the human survivors have taken to remote areas to escape. When a young girl goes missing, her brother, father and mother must cross a city of dead to learn the terrifying truth. Pulse 3 Seven years after the last attack by the "soulless ghosts" who haunted the human race, the world is left void of all deadly electronics that almost destroyed it... or so we thought. Living a primitive existence on the outskirts of the city, humans are surviving without any trace of technology. That is until 16 year old Justine enters the city and, letting her curiosity get the better of her, opens a working laptop and unknowingly unleashes the most terrifying attack the survivors have ever faced.