Havoc (2005)

Allison Lang convinces Emily to join Hector's gang. Which envolves sleeping with several gang members, Lang bulks but Emily decides to go on, until a threeway between Hector's brother Chino and Manuel occurs causing her to panic and flee. Emily unable to handle what just occurs claims rape, with Hector getting the blame. Toby, Sam & Nick decide to 'avenge her' by a drive by shooting of Hector's crew, While Chino and Manuel go gunning for Allison over Hector's incarnation, Both groups arriving at each others homes but find no one they want. Allison eventually makes Emily come clean in front of their families, but it's too late as neither of the makeshift hitsquads get the message, since Toby notices Mannuel's tattoo while waiting at opposite seperate traffic lights, leading to a hail of gunfire and tragedy as the screen goes black.