An unexpected heart transplant uncovers a family's tragedy of blood and tears. The heart that Lin Yifei's son, Xiaohao, had been waiting for was secretly donated by her husband, Song Ziyuan, to the son of Ruolan, his first love. When the truth comes to light, Lin Yifei's world collapses in an instant. Not only has she lost her beloved son, but she also witnesses her husband and Ruolan living happily together with their children. Faced with betrayal and deception, Lin Yifei rises from her grief and vows to seek justice. She exposes Song Ziyuan's infidelity, confronts Ruolan's provocations, and embarks on a heart-pounding journey of revenge.