在哥谭夜空下，蝙蝠侠与小丑对峙，音乐激荡，正义与邪恶交织成华丽篇章。又见爱人

　　After witnessing the murder of his parents, a young billionaire makes a solemn vow to dress up like a bat and wage a one man war on crime! But when this solitary savior realizes that "one" is the loneliest number to wage a war with, he'll set off on a musical adventure to rescue the city from the greatest super-villain of all time and find a super friend.