Devon Taylor, a 20 year-old physics whiz, has heard a lot of strange sounds coming from space as part of his job assisting Dr. Evan Swift at the radio observatory -- but something tells him this signal, coming from the direction of Certus, is special. Devon's suspicions are confirmed when he takes a tape of the signal home and his 17 year-old sister, Joyce, and her boyfriend Vic react as if they have heard the most beautiful music in the world. But the sound, which seems comprehensible only to teenagers, has a disturbing side-effect; Joyce and Vic's skin begins physically changing, as does the skin of all the other teenagers they expose to the sound. Worse, when Devon's father, Dr. Emory Taylor, orders the ""music"" taken away, the teenagers appear to go through a painful and possibly deadly withdrawal. Faced with the spread of this potentially deadly audio virus, the government imposes martial law as Devon and his father try to figure out why the sound has the effect it does. Is this th