1%的可能性

载仁（河锡辰 饰）是圣贤集团会长李贵哲的孙子，幼年丧父的他从小在爷爷的严厉教导之下长大，个性迥异的爷孙两人在很多事情上都存在着分歧，随着时间的推移，矛盾慢慢积累最终爆发，在和爷爷大吵一架后，载仁离开了家，开始了独自一人的生活。 　　某日，载仁意外得知爷爷立下遗嘱，上书如果载 仁不能迎娶名为多贤（全昭旻 饰）的女子，将会失去所有遗产的继承权。愤怒的载仁将多贤当成了是欺骗和迷惑爷爷的骗子，两人之间产生了诸多的矛盾。然而，随着时间的推移，载仁渐渐发现了多贤善良温柔的一面，一直扮演着纨绔子弟的载仁，内心深处感受到了强烈的悸动。The story that begins when the female protagonist saved a very old but rich man. Then the old man named the woman as the sole beneficiary of all his wealth. His grandson on the other hand wanting to get the inheritance made a deal with his grandpa to date that woman but with a contract that comes with a price as well. How will each other endure their differences? Will they continue their love story or end it just how it is supposed to be?