Sins Trilogy Books in Order
Part ofNadia Lee Books in OrderFind all three Sins Trilogy books by Nadia Lee in order, with dark romance summaries, character background and guidance on how to follow Anthony and Ivy’s twisting story.
Last updated: January 16, 2026
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Publication Order
3 books
Sins
by Nadia Lee
2019
Anthony Blackwood thought the only woman he ever loved died in a car crash, until he finds Ivy alive years later with no memory and living among his enemies, forcing him to dig into a deadly conspiracy to keep her safe and by his side.
Secrets
by Nadia Lee
2019
Tony’s refusal to tell Ivy the darkest parts of his past leaves her exposed to the people hunting them, and when the truth finally surfaces, his silence may cost him both her trust and the fragile life they are building together.
Mercy
by Nadia Lee
2019
Determined to claim a future with Ivy at last, Tony goes on the offensive against their enemies, but as attacks close in and the woman he loves becomes a target yet again, he must decide how far he is willing to go for mercy.
Series background & context
The Sins Trilogy is a darker, more suspense driven corner of Nadia Lee’s universe. It tells one long story about Anthony Blackwood, a man who remade himself into a ruthless power broker after the woman he loved was supposedly killed in a car crash.
When the first book opens, Tony is living with the belief that he failed Ivy once and paid for it with her life. Discovering her alive a decade later is a shock that rewrites his world. She has no memory of him and has been living under another name among people he considers his enemies. To pull her out could expose old crimes and ignite a war. Leaving her there is unthinkable.
The trilogy tracks Tony’s attempt to reclaim Ivy while dismantling the network that stole her past. Ivy, caught between flashes of memory and the life she thinks she knows, has to decide whether to believe the man who insists he loved her first. Every answer they uncover raises new questions about who orchestrated the crash, who has been manipulating Ivy ever since, and why.
As the books move from Sins through Secrets to Mercy, the romance and suspense tighten together. Tony’s habit of locking information down to keep Ivy safe starts to look a lot like betrayal from her point of view. Ivy’s determination to think and choose for herself puts her directly in the crosshairs of people who view her as a pawn.
Along the way there are glimpses of other familiar figures from Nadia Lee’s billionaire world, but the tone here is distinct. Expect morally gray decisions, high body counts and a hero who is both fiercely devoted and sometimes terrifying. The Sins Trilogy works best read straight through, as one big story about trauma, obsession, forgiveness and the lengths two people will go to in order to finally get a life together.
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