share time: 2026-01-31 12:30:17
留学归來的建筑设计师郑晨雨，奉命推进老巷拆迁项目，却撞上守着祖传甜品店的“老冤家”张北淅——当年两人约定去看共同种下的青柠树，张北淅却爽约消失。如今张北淅用“青柠糖霜”守着老巷里的童年回忆，郑晨雨则要推翻所有“过时”存在，针尖对麦芒的两人在拆与守的拉扯中，揭开当年爽约真相是张北淅为救重病奶奶，而老巷深处那棵青柠树，正带着未说出口的心意悄悄发芽……
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