"Double Crown" tells the legendary story of table tennis Olympic champions Wang Shuo and Sun Sha. At the Los Angeles Olympics, they both won singles gold medals, fulfilling their youthful promise to meet at the top under the spotlight. However, from the "world's number one" to a married couple, the change of status is far more complicated than winning the game: how to balance the closely intertwined schedule and independent training? How to protect your private space when everyone is paying attention? What kind of sweet challenges will this sudden little life bring? This is a story about ultimate ideals and ordinary life. They are partners who are entrusted with victory and defeat on the table, and are partners who go hand in hand through thick and thin in life. They have proven over the past twenty years that the strongest bond is not only established on the top of shared honors, but also rooted in the understanding and deep love in countless ordinary days.