Zhang Songwen’s ‘Secret in the Box’ Brings Infamous Hong Kong Murder Case to Shanghai Competition

“Secret in the Box,” a period thriller revisiting Hong Kong’s 1974 Happy Valley Box Murder, held its press conference at the 28th Shanghai International Film Festival, with director Frankie Tam Kwong-yuen and lead actor Zhang Songwen discussing the real cold case at the heart of the Golden Goblet Awar…