Hi Bye, Mama! plot
Cha Yu-Ri has been a ghost since she died five years ago. She left behind her husband Cho Gang-hwa and their child. To become human again, Cha Yu-Ri carries out a reincarnation project for 49 days. Meanwhile, Cho Gang-hwa works as a breast surgeon. He was loving, but after his wife died, his personality changed. After five years, his wife appears before him again.