Genius female engineer Nora enters into a contract marriage with ordinary temporary worker Ethan for project funding, only to become unexpectedly entangled in a conspiracy involving illegal human experiments. As the truth is gradually revealed, she discovers that Ethan’s identity is shrouded in mystery, and that he carries a long-buried injustice in his heart: 10 years ago, his father Thomas was brutally murdered by Hogan. Through misunderstandings and life-or-death trials, the two go from a fake marriage to true love, eventually joining forces to bring down the mastermind behind the conspiracy, clear Thomas’s name, and complete each other’s redemption.
