On Christmas Eve in 1968 six-year-old army brat Clairee simultaneously learns the hard truth about Santa Claus and the realities of war. Her bullying older brother Mickey informs her that Santa insn't real and that their absent father is actually far away, serving his country in the Vietnam War。结婚多年,叶安安同孟昀曾经炙热的感情早已因生活的琐碎消磨殆尽,二人签字离婚。哪知离婚回程的路上叶安安遭遇车祸,竟穿越成御史嫡女叶念安。叶安安决心摒弃过往开启新生活,然而定亲当日竟意外发现,将与她结亲的侯府世子,就是她共同穿越的前夫孟昀……。