Two brothers and sisters meet at their father's wake, and a will is placed on the table. The condition for inheritance written in the will is, "During the period from the time this will is discovered until the funeral, the spouses will exchange partners and be obligated to have children three times." The wake and funeral are full of uncertainty. The couple cannot refuse because they need to repay their debts, and in order to protect their happy family and their precious married life, what decision will they make...?
