For the first time in nearly 20 years, documentary cameras go undercover inside Tibet to investigate China\'s growing control over its population. Under fear of arrest and facing Beijing\'s highly-advanced state surveillance, the filmmakers reveal what life is like inside one of the most heavily-guarded and underreported regions in the world. As he reaches 90 years-old this year, the succession of the Dalai Lama - Tibet\'s exiled spiritual leader - is approaching a critical point. The film investigates the mystery of a missing boy, the 11th Panchen Lama, abducted by Beijing 30 years ago whose role now holds the key to the Dalai Lama\'s successor and to Tibet\'s future.