Mrs. Dai, a foul-mouthed granny in her seventies is reverted to a twenty-year-old maiden Thanh Nga and given the opportunity to enjoy her youth, dream and passion which she had to sacrifice for her family when she was young. One day, Thanh Nga, a pretty girl with a beautiful voice and impressive characteristics appears and stirs up the peaceful lives of three men: the rebellious rock singer Tri Tung, the music producer Manh Duc, and the 70-year-old neighbor Mr. Be. All of them fall in love with Thanh Nga and try to pursue the mysterious cute girl. What will happen with this complicated love adventure? Will this priceless miracle last forever?