Bringing together three of Hong Kong's top directors -- Ringo Lam, Tsui Hark, and Johnnie To -- Triangle frankly could have been a huge boondoggle, delving quickly into a convoluted mess. But even though neither of the trio worked directly with each other, and the film's story is full of twists and turns, somehow everything falls together into one of the more entertaining heist pictures to come out in the last couple of years.