The Tigers: The Legend of Canton

Martyr Sun Zhongshan was captured by the Japanese and his comrades were all killed. Only Hua managed to survive and escaped, Hua was desperate to rescue Sun and he wrote to inform five legendary men in Canton for help. Soon after the delivery of the letters, Hua was taken by the Japanese. Luckily, the five men received the letters and came to Shanghai. (asianwiki)