When "seven pairs of lovers in seven eras" met and fell in love during the "hundred-year turmoil of China from the late Qing Dynasty to the reform and opening up", they were repeatedly affected by historical waves such as "the Reform Movement of 1898, warlord melee, Japanese invasion, civil war and division, resistance to US aggression and aid to Korea, Great Leap Forward, famine, and the urban-rural divide". Torn apart, each couple insisted on the loyalty of love in the deepest despair, but in the end they were unable to reunite due to the country's poverty, cruel war, and social turmoil, leaving behind "seven unforgettable moments of separation" and composing a "China's most painful love song in a century".