Ditching a lucrative career in finance, Vu Dinh Tu opened a coffee shop without telling his parents and joined a wave of young Vietnamese entrepreneurs using espressos to challenge family expectations around work. Traditionally taken black, sometimes with condensed milk, or even egg, coffee has long been an integral part of Vietnamese culture. But starting a cafe is not a career that many of Vietnam's growing group of ambitious middle-class parents would choose for their children. IMAGES AND SOUNDBITES ARRANGED IN SEQUENCES