The only connection between this video and the "City of Brotherly Love" is the opening credits (played to the tune of "When Johnny Comes Marching Home Again," a Civil War song).
The sisters of the title are Patricia Kennedy and Dallas. The latter catches boyfriend Steve Drake with Krista Maze and immediately calls Pat for commiseration. Pat is busy taking it up the hiney from Michael J. Cox, while the director is busy giving audible instructions to Jill Kelly and Caressa Savage, who have absolutely nothing to do with this plot. And to prove that she can do two scenes in the same show that are totally unrelated to each other or to anything else, Jill gets bung-bopped by Gerry Pike.
The tape concludes with Dallas crying on Bobby Vitale's shoulder while Bobby gets to explore her anal area. With only two anal scenes, retailers should NOT put this in their anal section.