share time: 2026-02-25 00:34:52
In 1943, Lin Henian, a merchant from the Republican era, ventured into the mountains to find his missing fiancée Su Wan—only to accidentally travel to 2023 and land in the rental apartment of his great-grandson Zeng Zilong. Zeng had just been wrongfully fired by a toxic boss and was in a cold war with his girlfriend Tian Zumeng over a misunderstanding. Shocked to find himself a 'great-grandpa' with an unchanged face, Lin uses his 'old-school wisdom' from the 1940s to help Zeng stand up to his ex-boss and win Zumeng back with handwritten love letters. But as he mends their relationship, he discovers Zumeng’s grandma looks exactly like his missing fiancée Su Wan—and even more startling, his 'time travel' shares the same secret as Su Wan’s disappearance decades ago…
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