Under the sycamore tree in the south of the Yangtze River, Lin Zhixia and Jiang Xubai, whose family backgrounds are very different, got married over a half umbrella. The strawberry hairpin hides the heartbeat of youth, but due to family changes, he left without saying goodbye. We met again many years later. She was a design intern and he was a cold-faced president. Family prejudice and love rivals stand in front of him, and the dusty diary in his office and her figure revising the manuscript late at night all tell the story of deep feelings that have never cooled down. When the truth is revealed, the platinum strawberry ring replaces the childhood token, and the love that spans time finally bears fruit under the sycamore tree.