Provocateur, artist, performer: Peter Vanessa "Troy" Davies was a chameleon. Using layers of identity at will, Davies charmed his way through a lifetime of secrets and lies, prostitution, art, HIV, abuse, incest and gender subversion, leaving a legacy of unanswered questions, influential performances and reams of enigmatic home video. Ecco Homo is a psychological detective story and a testament to a social history rarely documented on film