Unaccompanied Minors called Grounded in the UK and Ireland is a 2006 Christmas comedy film directed by Paul Feig, starring Lewis Black and Wilmer Valderrama, and costarring Tyler James Williams, Dyllan Christopher, Brett Kelly, Gia Mantegna, and Quinn Shephard. It is based on a true story by Susan Burton first told on the public radio show This American Life under the title In the Event of an Emergency, Put Your Sister in an Upright Position.
Charlie, Spencer, Beef, Grace and Donna sneak out, and proceed to enjoy themselves around the airport. When they are caught by the airport security guards and returned to the UM room, they find that the other minors, Katherine included, have been sent to a lodge down the road, and that the grouchy head of passenger relations, Oliver Porter Lewis Black whose trip to Hawaii is among the canceled flights intends for the kids to spend Christmas Eve in the UM room. Knowing that it will break Katherines faith in Santa Claus if she does not receive a present by the next morning, Spencer asks the others to help him get a present for his sister in return for a plan to escape.With Spencers plan, the minors give Zach Van Bourke Wilmer Valderrama, the friendly clerk watching them, the slip, but Mr. Porter grows desperate to get the kids back, and sends all the airport guards to find them. After Donna and Grace get into a fight, Spencer decides that theyre going to have to put their differences aside and work together as a team, and Beef leaves to go and get a Christmas tree. Along the way, he reflects on how his stepfather, Ernie, hoped to make him stronger by saying men are made, not born. Meanwhile, Spencer and Katherines father tries to drive to the airport in his biodiesel fueled car, but it eventually breaks down at a gas station. Fortunately, the owner lets him borrow a Hummer. ........
Source: Wikipedia