Inborn Pair is about a resort president (also grandma’s boy) Ke Wei Xiang, who has the career he wants and is instead looking for his special someone. His grandma has betrothed Wei Xiang when he was still in the womb to the granddaughter of the man who saved her life, and grandma has been dreaming of the day her grandson can fulfill her promise. Wei Xiang is the reverse of the haughty, cold, and rude chaebol. He’s instead very considerate and kind, and he doesn’t have the heart to say no to his grandma’s lifelong dream.

The heroine Song Yi Jie is a legal assistant at a law firm who is in the process of obtaining her lawyer’s license. She’s a righteous young woman who believes in standing up for justice and doesn’t care for love when she’s got a career to pursue. Episode 1 has Yi Jie and Wei Xiang meeting cute when she pretends to be the lover of a sleazy man so that his wife can obtain the evidence to force him sign divorce papers. On her way to the rendezvous, she chances upon a woman tearfully accusing Wei Xiang of breaking her heart (but in truth the woman is his daft subordinate). Wei Xiang thinks Yi Jie is a “Xiao San” (homewrecker) while Yi Jie mistakes Wei Xiang for a lothario who toys with women.

Two strangers, who never had much luck in the love arena, found themselves betrothed by their families. Figuring they will never find true love, they agreed to the arranged marriage. They bickered throughout their marriage. But bickering slowly gave way to genuine fondness for one another. In the end, the couple discovered that true love is not to be found but has to be cultivated.