A social worker goes on a search for her policeman father who went missing seven years ago in the hills of Hong Kong's Sai Kung peninsula after a hiker finds her father's police badge.A social worker goes on a search for her policeman father who went missing seven years ago in the hills of Hong Kong's Sai Kung peninsula after a hiker finds her father's police badge.A social worker goes on a search for her policeman father who went missing seven years ago in the hills of Hong Kong's Sai Kung peninsula after a hiker finds her father's police badge.