The members are divided into 5 pairs: Green (WONG Cholam & ZHANG Lanxin), Pink (WANG Baoqiang & TANG Yixin), Yellow (DENG Chao & Gülnezer BEXTIYAR), Red (ZHENG Kai & Angelababy), and Blue (LI Chen & HSIEH Yilin). The premise of the episode is that the couples have time-traveled from the past into the current generation and have lost their memories of love from doing so. The goal is to purify the jar of love water that has been made filthy by fake love. Through successfully completing missions, the couples will receive hints leading to the real flask of magical love water.