Human decency in the midst of inhumane atrocity is the powerful emotional drive of China’s international Oscar entry, “ Dead to Rights ,” a stirring drama set during the 1937 Nanjing Massacre in the Second Sino-Japanese War. Centered on a postman who poses as a photo developer to survive the Japanese occupation while secretly hiding a group of terrified citizens, Shen Ao ’s handsomely produced follow-up to his 2023 hit “No More Bets” expertly balances intensely claustrophobic drama with