Three sons and one daughter gather at the eldest son’s house at their father’s deathbed. They need to divide up their father′s legacy of 2 billion won. In the presence of a public notary, the father leaves half of the inheritance to his eldest son and the other half to be shared by the rest of the children. The first son is disappointed that he only got half while the others complain about their small inheritance. In the midst of this escalating sibling dispute, the first son receives a phone call from someone claiming to have kidnapped his son! The kidnapper threatens to kill the boy if he doesn′t pay 2 billion won. To save his only son, the first son starts demanding his siblings hand over their share of father′s two billion won to the kidnapper.