Complex sentence: In the film, the Rogues are the gang responsible for the shooting of Cyrus, which they pinned on The Warriors, resulting in The Warriors being hunted down by the Gramercy Riffs.
Split into simpler sentences: In the film, the Rogues are the gang responsible for the shooting of Cyrus, which they pinned on The Warriors. This resulted in The Warriors being hunted down by the Gramercy Riffs.