After being dumped by her boyfriend just before their 100-day anniversary, Ha-young meets a college guy named Hyung-joon when she kicks a can that accidentally hits him in the face and causes him to scratch his Lexus. He demands she pay him $3000 on the spot.

Yang Jing Hua is a young man heir to a famous family of exorcists, but now he is poor and left to himself since the death of his parents. This young comic book owner tries to survive day by day, but bad luck is still on him. One night he meets a rich and handsome exorcist named Duanmu Xi while he was going to eliminate an existing spirit. Yang Jing Hua runs away, but the next time Duanmu Xi appeared right in front of him, Yang Jing Hua was already dead because of getting hit by a heavyweight. Yang Jing Hua makes a contract with Duanmu Xi and his new life begins.

Chen Yu Han is the daughter of Chen group founder. She has a one night stand and gets pregnant with Ye Chen Xi, her father's friend's son and the president of Ye Corporation while both were drunk an are forced to get married. Will this short gun contract marriage survive the schemes of Yi Xuan Xuan, who is in love with Ye Chen Xi and Jin Yang, Yu Han's ex-bf who desperately wants her back?