A well-known enterprise's chairman's only son. A rich guy who doesn't know the hardships of every day life. Born with a silver spoon in his mouth, even though his nature is kind-hearted, but under the tyrannical teachings of his father, he always doesn't show any respect to the people around him. And his attitude of living life as a game in this world, not only often damages his image but it also causes much headaches for his family. Under a strange twist of fate, he encounters a guy who looks exactly like himself. The only difference is that Ji Liang is an orphan and has been living in poverty all this time. In a flash of excitement, Yao De decides to play a beggar prince's game. They both exchanged identities and each played the other's role in life. Yao De, who was born with everything possible, after experiencing the hardships of having to work and earn a living through Ji Liang's lifestyle, he gradually begins to mature. He understands how to be grateful and work hard to earn his living. Unfortunately, Ji Liang decides to go back on his words and refuses to exchange back to their original identity. Moreover, in order to possess everything that Yao De owns, Ji Liang uses the power and influence that comes with Yao De's identity in an attempt to kill Yao De and cover up the real truth of their identities forever. Alone and without any help, Yao De can only do everything in his power to try to guard everything that originally belongs to him…

An orphan who is determined and hopes to become a rich person. With a simple and straight forward personality, Ji Liang works in an orchard to earn money so that he can go to college. Determined to become a rich person, Ji Liang doesn't believe that working diligently to make money is a shameful matter. On the contrary, an honest and kind-hearted person like him believes that one reaps what one sows. Under his diligent labor and hard work, the orchard flourishes. But a chance of fate, Ji Liang and Yao De meets due to the mistake of switching cell phones. Under Yao De's suggestion, they both switched their identities. Just coming in contact with a rich person's extravagant and luxurious life, Ji Liang feels that it is both a new and astonishing experience. However, as times passes, with the help of people around him, Ji Liang gradually starts to believe that he can replace Yao De. Furthermore, he wants to take advantage of this opportunity to make a name of himself in the shortest time possible. In addition, under the shock that the girl that he likes has become Yao De's girlfriend, Ji Liang's good nature gradually gets covered up. Because of his own greediness, he starts to carry out a succession of lunatic actions…

Also called Xiao Jing. She is the daughter of the owner of the orchard and also Ji Liang's fellow classmate in college. She admires Ji Liang's simple, kind-hearted, and hard-working nature. She doesn't know that Ji Liang has had a crush on her for a long time. She has a witty and playful personality, keen reactions, and is a bit of a tomboy. As a result of her father's teachings, she has a strong dislike towards rich people. Who would have thought that fate likes to make fun of a person and unexpectedly causes her to fall in love with Yao De who has switched identities with Ji Liang. The entangled relationship between the three of them indirectly affects the friendship and the agreement that is between Ji Liang and Yao De and plants the seed of hatred and revenge for the two of them…

The daughter of a certain big enterprise. Yao De's college classmate. She has a lively and outgoing personality, innocent and naïve. For the development of their business, her parents hope that she will marry Yao De. Yao De is extremely resistant of this matter but Yu Yan has deep feelings for him. When she finds out that the one that Yao De likes is her high school classmate, Xiao Jing, even though her feelings are hurt, yet she still helps Yao De to pursue Xiao Jing. From beginning to end, Yu Yan does not abandon Yao De and stays by his side. Even when Yao De loses everything that he has, she is still by his side. However, will her efforts really be able to move Yao De?

His father is the chauffer for Yao De's family and he himself is Yao De's college companion and assistant. On the surface, he seems to be very loyal to Yao De and even points out the mistakes that Yao De makes. Yet, in reality, he is extremely envious and jealous of Yao De. He often harbors the thought of getting rid of Yao De and replacing him. After he learns of the secret between Ji Liang and Yao De's exchange of identities, he believed that this is an opportunity that he can't miss. He keeps on instigating Ji Liang to take possession of everything that Yao De owns. He appears to be a very loyal person but actually, has a very cunning mind. He is a person who shows two sides of himself between Ji Liang and Yao De.

Xiao Jing's best friend and classmate. Lively and outgoing personality with a touch of silliness. She is sincere and not artificial. After graduating, she and Xiao Jing both enters into Yao De's company to work and she gets into a relationship with Zi Jie. Hong Zhen regards Zi Jie as her true love yet Zi Jie is only using her as a tool to do his dirty work. Hong Zhen, whose mind becomes unclear with love, is pulled deeper and deeper into this web of deception. So much that she actually aides Zi Jie in killing her good friend Xiao Jing. For this, Hong Zhen almost breaks down.

Owner of the orchard. When he was young, he used to be a famous stock broker. He once worked together with Yao De's father and produced tremendous wealth. To one's surprise, Zhi Feng was later framed by him and sent to jail. After he is released from prison, he becomes indifferent towards fame and fortune. Furthermore, he believed that money is the base of all evil. As a result, he hides away in a remote mountainous area and takes up farming. Due to the exchanging of identity by Yao De and Ji Liang, Yao De gets acquainted with the experienced and knowledgeable Zhi Feng. Thanks to Zhi Feng, Yao De is aware that he already possesses numerous good things in life. However the thing that caused Yao De to be most surprised is that Zhi Feng seems to be hiding an astonishing secret that is related to his own mother.

Yao De's father. Has a polite and scholarly appearance. A chairman with outstanding abilities and grand visions. With his remarkable status, he is deeply respected and looked up to by everyone. In Yao De's heart, he is also an impeccable father. However after Yao De and Ji Liang exchanged identities, Yao De unexpectedly finds out that his perfect father once used filthy methods to get the achievement and status that he has today. This came as a big shock and surprise to Yao De.

Yao De's stepmother. Has a gentle and likable personality. She protects Yao De in every way possible. Originally Yao De believed that Shu Yun was his birth mother. Yet after exchanging identities with Ji Liang, he finds out that his real mother is actually someone else. Moreover, it is because of Shu Yun's fault that his real mother was pushed down from a tall building and lost her memory…! In fact, Shu Yun has continuously been regretful of this foolish act that she did when she was young. Unfortunately, this secret that she has been hiding in her heart for all these years was discovered by Zi Jie and Ji Liang. Furthermore, she becomes a tool that will be used by these two people.