Genius hacker Kate Lowe is forced to marry into the Lewis family in her sister’s place, entangled in a love story full of misunderstandings and redemption with the cold CEO Yuri Mills. Three years into their marriage, a mysterious pregnancy test stirs distrust between them. To secure a divorce, Kate poses as the hacker "Zeke Moore" to threaten Yuri—only to accidentally expose her sister’s revenge plot after returning with a new face. As truth surfaces, they join forces against the mastermind, confess their hearts amid life-and-death trials, and culminate in a grand proposal.