CRASH, 2004

Director: Paul Haggis.
Writers: Paul Haggis
Stars: Don Cheadle, Sandra Bullock and Thandie Newton.
Plot: The movie consists of several stories that interweave during two days in Los Angeles involving a collection of inter-related characters, a black police detective with a drugged out mother and a thieving younger brother, two car thieves who are constantly theorizing on society and race, the distracted district attorney and his irritated and pampered wife, a racist veteran cop (caring for a sick father at home) who disgusts his more idealistic younger partner, a successful black Hollywood director and his wife who must deal with racist cop, a Persian-immigrant father who buys a gun to protect his shop, a Hispanic locksmith and his young daughter who is afraid of bullets, and more.
Trailer Crash

Recommendations: Magnolia (1999), is another film that involve connections of people during a short time.