Her Secret, His Regret

An undercover agent sacrifices a kidney for her betrayed lover, then faces him years later as a tycoon engaged to the woman who stole the credit.

Undercover agent Madeleine must betray Ethan during an operation, leaving him near death. She anonymously donates a kidney to save him, but Emma steps forward as the donor, cementing a lie that lasts five years. Ethan returns as a hardened tycoon engaged to Emma, unaware of the truth. Meanwhile, powerful figure Hayes pressures Madeleine to abandon Ethan for safety and influence. As dangerous missions close in, Madeleine guards the secret that could shatter everything.

• romance
• thriller
• drama

1. Madeleine betrays Ethan during an undercover mission
2. She secretly donates a kidney to save his life
3. Emma publicly claims credit for the organ donation

Readers who want hidden-sacrifice romance with high-stakes deception and a powerful rival.