What SoulCycle ambush, you ask? Well, in Odom's book, "From Darkness to Light," he said he believes the momager set up a run-in between Lamar and Khloe outside one of her classes to make him look bad after their split. Shortly after Lamar and Khloe had separated, Lamar claimed Kris called him saying Khloe wanted to speak with him. When he approached Khloe outside of the studio, however, she had no idea what was going on. The whole thing was caught on camera.
"It had to be Kris," he said in his book. "Kris knew this was my last chance, but she didn't want a drug addict in the family. It wasn't good for business. Any chance I had left with Khloe exploded on the spot."
He added, "It was always about her brand. I was nothing to her."
After learning about Lamar's claim in his book on Sunday's episode, Kris began to worry Khloe was going to confront her about it.
"He's accused me of setting up the whole SoulCycle thing all over again," Kris said in the episode. "It was a huge deal at the time because Lamar popped up at one of Khloe's classes and it caused a big commotion. Khloe blames me, thinking I told him where she was going to be. That never happened."
"I'm trying to do damage control because I know when Khloe sees this, it's going to set her off again," she added.
Khloe opened up to sister Kim Kardashian about what happened that day four years ago. According to Khloe, she doesn't know who else besides her mom who even could have tipped off Lamar.
"I found out that mom's lying to me," Khloe said. "This SoulCycle thing is all a lie."
"The only reason I feel like my mom did disclose my whereabouts is because how would Lamar know where I was going at 5:30 in the morning," Khloe added in a confessional. "I don't think my mom realizes the severity of the emotional distress Lamar was on during that time. I think she just kind of retreated and got nervous to admit that she potentially put me in harm's way."
Throughout the episode, Khloe failed to get ahold of Kris and felt like her mom was "literally avoiding" her. Turns out, she wasn't entirely off base.
"She's scared you're going to confront her about that SoulCycle thing," Scott Disick told Khloe. "She's like, 'I don't wanna see Khloe because I don't want to have the conversation.'"
Scott and Khloe then orchestrated a set-up of their own to trap Kris into talking with Khloe. Scott pretended to have the flu and called Kris, who immediately came to his aid to take care of him.
As Kris was feeding Scott soup, Khloe walked in and went off on her mom. "I literally can't get you on the phone for three seconds and all of a sudden you just have a free day where you can just sit here and hand-feed Scott?" she said.
In a joint confessional, Kris came clean about avoiding her daughter, saying a run-in "scared the shit" out of her because she didn't want her daughter to get mad at her "all over again."
"I'm completely over it. I've been over it," Khloe told her mom, but then added, "You know, if you would like to confess anything, this is our confessional."
"Didn't do it," Kris said defiantly.
"Okay. We're still going to deny 'til we die," Khloe replied and Kris echoed, "Deny 'til we die."
"Keeping Up with the Kardashians" airs Sunday nights at 9 p.m. EST on E!