Top lawyer Jiang Yusang sees her status plummet after it is revealed that she is not the biological daughter of the Jiang family. Determined to stand on her own, she decides to buy a home of her own. While seeking a legal partner, she unexpectedly reunites with her ex-boyfriend, Song Siyan, who cruelly broke up with her five years ago.
Now as her client, Song Siyan deliberately makes things difficult for her, and the two soon find themselves constantly clashing. But as a series of events unfolds, the truth behind their breakup five years ago gradually comes to light.
