沈之挽和首富陆季年结婚五年，二人从相爱相守到互相厌弃，然后突然互换了身体，沈之挽变成了首富，陆季年变成了家里的受气小媳妇。两人开始相互怨怼到相互信任协助。。A woman tries to reunite the swing band with which she played during World War II.。