Shadow guard Yeyuan risked her life and limb for Crown Prince Xie Yulou for six years. After shielding him from a coup's arrow, she married into the Eastern Palace. Yet due to his guilt and suspicion over his childhood sweetheart, she was cold-shouldered and misunderstood, ultimately dying in childbirth filled with bitter grievance. Reborn back to the day of the coup, clear-headed and independent, she cares not for imperial power, renounces the position of Crown Prince's Consort, devises a feigned death to escape back to her biological parents, breaks free from the shackles of identity to choose the virtuous noble family scion Pei Lang, stays companionably with her family, and ultimately escapes the deep palace tragedy to gain a truly secure and free new life.