Synopsis of 20 Once Again on 123movie:
Shen Meng Jun is 70 year old widow whose family decides for her to go to a nursing home. Feeling forlorn, she wanders the streets and impulsively decides to take a final portrait at a photo studio she happens by. Upon leaving, to her astonishment she realizes that she has been transformed back into her 20 year old self. Given a magical second chance at youth, she changes her name to Meng Li Jun and decides to chase her dream of becoming a singer. Will she find success and love this second time around?