Follow five patients on an extraordinary emotional journey across the void of deafness. For the sign maker whose job depends on a working ear implant; the teenage girl singer who became profoundly deaf over a summer; and the grandfather who desperately wants to be able to hear his grand kids, the stakes are very high. An implant may restore their hearing, or take what's left of it away.

Follow five patients on an extraordinary emotional journey across the void of deafness. For the sign maker whose job depends on a working ear implant; the teenage girl singer who became profoundly deaf over a summer; and the grandfather who desperately wants to be able to hear his grand kids, the stakes are very high. An implant may restore their hearing, or take what's left of it away.