Complex sentence: Night of Champions consisted of professional wrestling matches that involved wrestlers from scripted feuds or storylines that played out on WWE's primary television programs, "Raw" and "SmackDown" and culminated in a wrestling match or series of matches.
Split into simpler sentences: Night of Champions featured professional wrestling matches that involved wrestlers from pre-existing scripted feuds or storylines that played out on WWE's primary television programs, "Raw" and "SmackDown". Wrestlers portrayed heroes (faces) or villains (heels) as they followed a series of events that built tension and culminated in a wrestling match or series of matches.