Chisato Mayama (Fujiko Kojima) is a woman who feels extremely depressed in her marriage.Her marriage to her husband Yuta (Chiga Kenaga) is in name only. Yuta and his adoptive parents have an indifferent attitude towards Chisato and even regard her as a servant in the family.Despite living in such an environment, Chisato still loves Yuta deeply and hopes to win his heart one day.

However, on Qianli's 30th birthday, her world completely collapsed.She stumbles upon Yuta's close relationship with a young woman named Runa (Kane), which causes her extreme pain.After a fierce argument with Runa, a sudden car accident changed everyone's fate.