When shy and kind-hearted Xiao Mu secretly takes the place of her bold twin sister, Yao Menggui, she goes from a delivery clerk to a famous star overnight. Suspicious of her sudden rise, reporter Chen Mo poses as her manager to uncover the truth. But as he gets closer, he must choose between revealing the scoop of a lifetime or protecting the woman he's fallen for.
Xin Tan has the ability to create happiness for others through sound, but after using it three times on the same person, his life will be bound to that person. Only when the other party is happy can Xin Tang can survive. Incidentally, Xin Tang rescued the school internet celebrity Ji Ze, who was about to commit suicide, and the two bound together.
Shan Junhao is the CEO of Senwell. He's a hard-hitting leader who never takes half measures to achieve what he wants. He's encounter with Ye Qianyu is not a pleasant one as he has mandated the closure of the Guanmei Inn, a place that Ye Qianyu holds dear. When Shan Junhao gets into an accident and wakes up with no memories of the past, Ye Qianyu takes him in and gives him a fake identity. They grow closer through their time together even though she knows that one day, he is bound to leave.