Wet fly tactics have been traditionally about casting across and downstream, then letting the fly swing without any more input from the angler. There's no doubt that this works and catches fish, after all, some of the greats in angling lived by this method.
However, there are other options and we'll explore them in this video.
Keep a close watch in the middle of the upper left quadrant of the frame at 14:56 to see the flash of a big fish.