For today’s Friday Film, instead of featuring the usual three sections, I decided to dive deep on one specific set.

When the Celtics traveled to Houston for Saturday night’s contest, it represented something more than just a potential Finals preview and the most formidable test of the rolling Rockets’ winning streak. It was a clash of the unstoppable force that is Houston’s league-leading offense against the immovable object that is Boston’s league-best D.

The unstoppable force took this round, in a victory that was as much about how it was achieved as the scoreboard: the Rockets scored at a rate of 124 points per 100 possessions, one of their most efficient games of the year. Unlike their first matchup, when the Celtics held Houston to one of their worst offensive performances of the year, the immovable object moved.

The first play of the fourth quarter provides a window into the Rockets’ offensive success, both in this game and on the year. It’s a set the Rockets have run since Mike D’Antoni was hired, a set that reveals much of why D’Antoni’s offenses have been so successful, a set whose simplicity belies its efficacy: