Ah-lun is struck dead by lightning, and when he goes to the underworld, he has no memory of his previous life. After training, Ah-lun takes on the job of god of love. He teams up with Pinky and binds countless men and women together with red strings while trying to find out what happened to him with the strong deja vu he has. Day by day, Ah-lun finds out that his biggest task is to tie this red string on the love of his life Xiao-mi with someone else and that will separate them for eternity.