Indoctrination: The Underground Series (Book 1) by Medusa Stone

Indoctrination is the kind of darkness that is not welcome in your home and in which you can easily get lost. It is a darkness that can change a person's psyche and leave very deep emotional scars.

From the Indoctrination blurb:

MM/Dark Suspense/Romance/ Hurt-Comfort/ Enemies to lovers/ Mafia/ BDSM

This series contains some MMM/ MMF scenes for the development of the story.

The Underground is a dark tale filled with mystery, intrigue, conflicting emotions, and love. As our main characters embark on a journey to happiness and freedom, they will captivate us, making us laugh, cry, suffer, and deeply feel their passions and frustrations, keeping us always at the very edge of our seats.

Tony, a lonely boy with little to lose, places his trust, devotion and his life in the hands of Alex, a charismatic, mysterious young man, who makes him the center of his world.

After suddenly breaking up their relationship, Alex disappears one night, leaving Tony heartbroken and desperate for either the answers he needs or the closure he deserves.

Instead, he finds himself tangled in a net of dark secrets, leaving him with more questions than he started with and only one dangerous path leading to Alex: The Underground.

Determined to follow his lover, Tony agrees to enter the shady clan, after pledging his allegiance to Dominique, a powerful, controlling Master, and ruler of the society, who will charm his way into Tony’s trust, in order to gain his will and his heart,

As a dark world of submission, domination, rules, and limits unfolds in front of Tony, he's left wondering just how far he is willing to go in order to get back the man he loves.

It isn’t until he finds himself trapped, betrayed, and at risk of losing everything and everyone he cares about that Tony finally decides to fight for survival and the hope of getting away, before it’s too late.

In this story filled with twists and turns, unforgettable characters, and unexpected situations, Anthony will discover the thin line between BDSM and abuse, as he becomes another victim in the world of underground sex trafficking, slavery, and Stockholm Syndrome...

Trigger Warnings:
This series is rated R and not recommended for readers under 18. All books contain explicit content, scenes of dub-con, violence, and very graphic material.
The Underground books must be read in the following order:
Indoctrination, Alexander, Deception and Sacrifice.

GaleM's review:

It's also a story about deep loneliness and serious abandonment issues. Tony is the "product" of a complicated family environment and upbringing - his parents' divorce left him adrift - but worse, and in fact the real problem for his total lack of self-esteem and self-worth, is the fact that he became the invisible child. His desperation and thirst to be seen, cherished and loved transformed into a slow burning, festering wound.

Meeting Alex, his first boyfriend, and finally being a center of attention and care were like a dream come true. And keeping this newfound feeling of safety on all costs, turned into a priority. When Alex tried to break up with him, the darkness and danger came knocking. But Tony wasn't capable of seeing the red flags and taking healthy decisions. In order to be with Alex he decided to jump blindly into the lifestyle of the hidden society Alex belonged to with only limited knowledge what lies ahead. The story unfolds from Tony's POV so the feel of his struggles, fears, pain and psychological transformation was even more amplified and heartbreaking. He didn’t even know how wrong, twisted and far away from the real and safe BDSM practice, his own training was. He wanted to be where his Alèx was - his only safety net, that turned out not to be so safe after all; the only love or what he thought was love but was actually borderline obsession and pure fear of abandonment, of not being enough or worth the time and attention.

I loved the flow of the story and the way it amplified the feeling of fear that gradually built up. The concept of the book was an endless loop of mind games and sensory overload. Definitely very well written and the triggers shouldn't be ignored. If dub con, slavery, sexual abuse are your flavour of reading preference, dive in full steam ahead.

Indoctrination is currently available as an e-book and can be read as part of your Kindle Unlimited Subscription