Amelia’s life takes a shock turn when she gets pregnant after a one-night stand with Hayden—her cold-blooded boss and a single father. Hayden proposes a 'cohabitation deal for childcare' to share responsibility, promising emotional independence. But life under the same roof with a billionaire is unexpectedly sweet, and Amelia finds herself falling for the man behind the desk. Just as they begin to heal, Hayden's toxic ex-girlfriend Jennifer returns, kidnapping Amelia in a desperate bid to reclaim her place. Hayden’s heroic rescue breaks the old contract, leading to a new chapter of family happiness. It is a Christmas miracle that brings a billionaire husband.