Watch The Legend of Purple Hairpin Full Movie Free Online 123Movies. An adaptation of Tong Tik-sang's now-legendary Cantonese Opera piece, the film features divas Yam Kim-fai and Pak Suet-sin (left with Yam), who play the story's lead lovers, and Lan Chi Pak, the sinister official who tries to break up the relationship. Leung Sing-po plays the pair's friend as well as the mysterious 'man in yellow' who exposes plans to separate the couple.