Rainbow Sweetheart is a Taiwanese TV series remake of the South Korean drama My Girl, directed by Lin He Long and produced by Chai Zhi Ping.

Starring by Jimmy Lin, Cherrie Ying, Zou Ting Wei, and Hou Shu .

When ShaoFeng is told by his secretary that his cousin has died in a fire, he is very upset because he can't carry out his grandfather's last wish.

In order to help his grandfather recover, he hires an intelligent young girl called PengXiaoQian, who comes from a poor family with a heavy debt to pay, to play the role of his cousin.

Under Xiaoqian's considerate care, ShaoFeng's grandfather recovers his health quickly and begins to like his granddaughter before long.