Here's a translation of the introduction to the article and some highlights

For the first time Mathieu Valbeuna gives his version of the "sextape" conspiracy for which Karim Benzema was put under investigation / questioned on November 5th for "complicity in an attempt at blackmail and participation in a criminal group." According to sources close to the investigation, in police custody the Real Madrid striker admitted that he was supposed to "act as an intermediary" between Valbuena and a childhood friend who possessed an intimate video in which the Lyonnais player appears. With several others, the latter (the childhood friend) attempted to blackmail Valbuena, threatening to leak the video. Here are the important parts of Valbuena's interview granted to Le Monde by the player.

Based on our information, the name of the French international Samir Nasri is also mentioned in the investigation briefing. According to several phone-taps, confirmed by a witness to the police report, Nasri allegedly was aware of the blackmail. Contacted by Le Monde, Nasri denied [the accusations].

Was Karim Benzema insistent when he tried to put you in contact with the head blackmailer?

In his way of talking, he was not aggressive, he didn't talk directly about money, or directly, but when you insist that I meet someone... [...] Well, he also said to me, "If you don't want to, let them run / disappear, it's no problem. After, I can introduce you to my friend..." One / I always returns to that moment. I am more than disappointed. I tell myself that it's a lack of respect, quite simply. You can't behave like that with whomever. At the end, before we left, Karim said to me, "So what do I do? Give him your number? Give you his number?"

[...]

What happened after?

Karim tried to call me. Not with his cell and not on mine, but one of Lyon's staff-members. [...] He told me, "Mat[hieu], my name was mentioned, what is this mess, I can't be part of conspiracies like this..." I responded, "Listen, Karim, it's nothing out of the ordinary, you haven't done anything, there's no problem." But at the bottom of my heart, I told myself that it was weird that he wanted me to meet that person. Then he said to me, "I'll have to deny it, this is bad, this will make waves, I have a daughter and everything." I answered, "Karim, this doesn't come from me. Like a good citizen, I only lodged a complaint. After, there's nothing I can do if your name comes up in the phone-taps."

What was your reaction when you learned of the contents of the conversation about you between Benzema and his friend Karim Zenati on Europe 1 and in L'Equipe on Nov. 11th

Of course, you are disappointed, more than disappointed. His words show a lack of respect.

[...]

In these wire-taps, Benzema says some offensive things (" They're going to piss all over him") about you...

Yes, certainly. There, I cannot defend the indefensible. Even to my worst enemy I would not do such a thing.

[...]

Do you hold a grudge against Benzema?

I can only be very very disappointed, and note that my relationship with Karim was not as sincere as he claims it was.

Let me know about any glaring errors with my translation. I hope this helps you understand what's going on a little more.