One girl who change into a cold, rude, and scary attitude. Everyone makes a bet that they will date the ice princess just because of a billion dollar. But the boy was stupid to realized to accept the challenge that he will get the girl's heart. But he soon found out about her diary and he had read every single hurtful things that people do to her. Will he be able to make the girl his in just 30 days? Find out and read this story of how will their love story begin.