Goodbye, Childhood Sweetheart

An Jing'er and Xia Huai have been childhood friends for more than twenty years. They started dating at eighteen, but after eight years together, they resolutely chose to break up, saying they had wasted the best years of each other's lives. Even after splitting up, circumstances force them to keep living together. What hilarious mishaps will these bickering exes get into as they try to go their separate ways?