Betrayed by the woman he loved, Tristan closed off his heart with a mental note to never fall in love. But when he drunkenly had a one night stand with his new secretary, he seizes the opportunity to escape his father's arranged marriage by proposing a contract marriage to his secretary. But as time went by, he found himself breaking the ‘no falling in love’ rule he made himself. Will he end the agreement when the time comes or will his closed heart open to the idea of loving her…..?