Paul Bartel

A group of teenagers that work at the mall all get together for a late night party in one of the stores. When the mall goes on lock down before they can get out, the robot security system activates after a malfunction and goes on a killing spree. 

French coming-of-age drama about three brothers in their mid-teens who get dropped off at their grandfather's deserted country house and are left to fend for themselves over the summer.