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.
Dragon Lee struggles with living with his five beautiful, talented, and incredibly strict older sisters. With the transfer of a new girl, Meng, to his class, Dragon decides to trick Meng into becoming his girlfriend, so he can escape the control of his sisters. With this new threat, his sisters set up traps and challenges to try and break up the young couple, but Meng and Dragon grow closer as they head face-on and overcome each challenge together.
Shu-wei is an unpopular student who is a constant target for the school bullies, but he ends up joining forces with them when they encounter two demonic sisters who feast on human flesh in the middle of the night. The gang manage to capture one, but the other demon is angry and starts killing anyone wearing a school uniform.
Eugenie just broke up with her boyfriend Deven, who is in the military service. However, Eugenie cannot overcome it. She still keeps the letters and cannot discard them. One day, while Eugenie's father and sister are having a serious fight, Deven comes to visit Eugenie. Eugenie takes out the trash as an excuse for meeting Deven; however, she has no idea what she will lose.