In 1920s Shanghai, Ren Susu, a young woman sets out to uncover the truth behind her family’s tragic downfall. Years after saving Murong Qingyi, a mysterious boy who may be connected to her past, she reenters his life under a new identity. As they navigate love, betrayal, and long-buried secrets, their fates intertwine once again during a time of growing political unrest.

讲述了民国沪上，军阀幼子慕容清峄因被抱错而受尽养父虐待，少年出逃时被任素素所救，却累及其家族遭灭顶之灾。经年重逢，二人暗生情愫，但任素素为救他人，毅然假死遁逃，留慕容清峄沉沦于失爱之痛。三年后任素素回归，却成了慕容清峄的准大嫂。如今的二人，一个满是被背叛的怨，一个藏着难以言说的痛，在试探与拉扯间爱恨交织。当误会渐解、深情重燃，国难却至。慕容清峄与任素素怀揣必死决心对抗强敌，他们的命运将走向何方？