Su Ran and Lin Yue are childhood friends who grew up together in a military compound. Their school days are full of wonderful memories, and a graduation photo becomes a precious keepsake of their youth. But a turning point in their lives soon arrives. Su Ran is led astray by the school belle, Chu Yao, and breaks Lin Yue’s heart. Lin Yue leaves for a foreign country in sorrow. Tormented by regret, Su Ran enlists in the military, where he endures rigorous training and achieves great success. The photo of him and Lin Yue stays in his pocket, a constant reminder he cannot let go of. Abroad, Lin Yue works hard to pursue her dreams. She becomes a trainee, makes her debut as part of a group, and carves out a place for herself overseas with her extraordinary dancing and personal charm. She becomes the only female captain from Huaguo, and her posters cover the country. After a dispute with her management company, Lin Yue terminates her contract and returns home. Through a series of coincidences in the military compound, Su Ran and Lin Yue meet again. After six months of emotional back-and-forth, their feelings gradually rekindle with time. At last, Lin Yue agrees to give Su Ran a chance, and the two get back together. After weathering many twists and turns, they decide to hold a mass wedding at the military base and begin a new chapter of happiness together. This childhood-friends romance is a tale of regret, growth, and moving moments, a story of love and devotion that unfolds through the years.