The male protagonist Lu Shiyan, 24 years old, is the leader of the top chaebol Lu Group. At the age of 18, he took over the mess left by his missing father. He has secured his position at the top of the business world with his ruthless tactics. He has a cold and unruly appearance and is paranoid and possessive, but he has no bottom line for the heroine. The female protagonist Su Nian, who was admitted to the Chinese Department of the top university in City A at the age of 18, comes from an ordinary family but is optimistic and tenacious. She is cute and clean but not timid. She has her own little persistence.
