Since 2009 Hsiung has been researching and documenting the lives of 3 survivors of military sexual slavery in Korea, Philippines and China during World War II by the Japanese Imperial Army for her debut feature length documentary The Apology (2016) A National Film board of Canada production. Since the world premiere at Hot Docs, where the film was runner up for the audience award, the apology took home the Busan Cinephile Award for best documentary at the 21st Busan international film festival. The film has gone on to winning several other awards around the world. Hsiung’s work is fundamentally based on cross-cultural and intergenerational themes set to inspire younger generations and viewers to learn about their own cultures - and social responsibility in the global community.