Yumi's friend finds a weird voice message on her cell phone, the voice sounds like her own, but ends in a bone chilling scream and the call apparently came from her own cell phone. It'd be easy enough to dismiss this as a prank call were it not for the fact that three days later, at the exact same time and with the exact same scream, the friend dies. The coincidences begin to pile up as the circle of cell phone death warnings widens, until, one day, Yumi realises that she also got one missed cal find out more...