Where the Wind Blows (Chinese: 風再起時), previously known as Theory of Ambitions, is a 2022 Hong Kong crime thriller film written and directed by Philip Yung and starring Aaron Kwok and Tony Leung Chiu-wai respectively as Lui Lok and Lam Kong, two notorious corrupt Hong Kong police officers during the 1960s.

The film is a joint venture between mainland China and Hong Kong production companies, originally set for release at the end of 2018 in both territories, the film's release was delayed due to trouble getting approved by mainland China's National Radio and Television Administration. The film was scheduled to make its world premiere and open the 45th Hong Kong International Film Festival on 1 April 2021, but was pulled from the lineup three days before. The film made its world premiere the following year and opened the 46th Hong Kong International Film Festival on 15 August 2022 instead. The film was theatrically released in Hong Kong on 17 February 2023.

Where the Wind Blows was selected as the Hong Kong entry for Best International Feature Film at the 95th Academy Awards, but was not nominated.