Adopted daughter Liang Nianhe is sold by the Liang family to the Si family for a bridal price of five billion to marry in place of her sister to the "brain-dead" wealthy heir Si Moli to bring good luck. On her wedding night, she is drugged and sent to the wrong room, accidentally conceiving twins. The next day, Si Moli unexpectedly "comes back from the dead" to take power in the Si family and subjects Liang Nianhe to all sorts of torment, unaware that he was the man that night. Desperate for a divorce, Liang Nianhe secretly searches for evidence to protect herself, only to discover through their daily life together that Si Moli is gradually developing a paranoid possessiveness over her. From a proxy marriage for luck to love after marriage, how will she protect the children in her womb amidst lies and truth, and reclaim her own dignity and exclusive affection?