This is a zone quick hitter for the best shooter on the team. It is a quick overload to get the 2 man an open shot in the corner.
(4) sets a screen on (x1), (1) penetrates the gap, (2) runs through to opposite corner, (5) searches across the lane and ducks in on (x5).
(4) re-screens for (1). (2) acts like he is going back through and pops back to the corner. The ball is quickly reversed back to (2) in the corner for the open shot.