Tang Xuan, a down-and-out 40-year-old man at the lowest point in his life, accidentally takes "Cupid's Candy" and returns to the age of 18. He plans to use his foreknowledge to make as much money as possible and make up for the regrets of his past life. But thanks to the candy's passive effect, he becomes entangled in romantic relationships with several women whose fates are entirely different.
