Cha Yu-ri (Kim Tae-hee) has been a ghost since she died in a tragic accident five years ago. Through a reincarnation project, she is given the possibility to become human again if she succeeds in going back to her place within 49 days. However, her husband, Cho Gang-hwa (Lee Kyu-hyung), is now remarried. She now has to choose between her own or her husband's happiness.[About:]'Hi Bye, Mama' is a 2020 South Korean television series starring Kim Tae-hee, Lee Kyu-hyung and Go Bo-gyeol. It aired on tvN from February 22 to April 19, 2020.[Source: Wikipedia]