Part 3 looks at the strong sense of duty implicit in family relationships in China. Waitress Peng has sacrificed her own education to support her sister's studies, while owner Qin Linzi discusses her own difficult childhood and introduces us to her privileged daughter. The restaurant prepares a 70th birthday banquet for Sun and her family, with special dishes including steamed longevity buns and stir-fried turtle.

Part 4 looks to the future with a banquet for a new baby and the anniversary show organised by the West Lake to celebrate its third year. Managers, chefs and waiting staff take to the stage in an all-singing, all-dancing extravaganza rounded off with a star turn by the owner, Qin Linzi. The restaurant addresses the high rate of staff turnover and gives the waiting staff a pay rise, while Qin discusses how important it is for her to drink with her customers.

What are the forces that shape and propel American militarism? This award-winning film provides an inside look at the anatomy of the American war machine. Why We Fight is the provocative new documentary from acclaimed filmmaker Eugene Jarecki (The Trials of Henry Kissinger) and winner of the Grand Jury Prize at the 2005 Sundance Film Festival. Named after the series of short films by legendary director Frank Capra that explored America’s reasons for entering World War II, Why We Fight surveys a half-century of military conflicts, asking how – and answering why – a nation of, by and for the people has become the savings-and-loan of a government system whose survival depends on an Orwellian state of constant war.