The twins go to the bar, they order the same drink and one of them die after he drink slowly the drink. That is because the ice cubes were poisoned. The other one not dies because drink quickly and the ice don't melt.
A happy couple go to the airport. The husband goes to London. When she comes back to their house watch a TV movie, but she doesn't cry when see an aircraft accident on a plane to London because she knows that this film was recorded last week.