By chance, high school boy Sid (Jean-Baptiste Maunier) got a magical mobile phone, which he could use to play pranks on people he didn't like. But the good times didn't last long. Sid soon discovered that the pranks were not as simple as they seemed. It even led to two deaths. In fear, Sid decided to throw away the phone. Unexpectedly, this magical phone was not so easy to get rid of. The day after Sid threw it away, it returned to Sid and told Sid that it decided to kill the girl he secretly loved, Angie (Jennifer Decker). In order to protect his beloved, Sid and the magical phone became enemies. Facing the powerful and cruel special function of the mobile phone to control others using radio waves, after one victim after another appeared, can Sid and Angie finally escape?