When the body of a missing teenage girl turns up, the trail leads Gently to a local youth dance TV show set and several likely suspects, in "Gently Upside Down." Next, the suspicious circumstances surrounding the death of an old informant spur conflict between Gently and Bacchus in "Goodbye China." 178 min. total on two discs. Widescreen (Enhanced); Soundtrack: English Dolby Digital stereo; Subtitles: English (SDH); featurette.