I'm not sure specifically as there could be many different versions of a story named 'The Intruder' based on true events. But generally, there would be the intruder as a main character, and likely the victim or victims of the intrusion.
Typically, in 'The Intruder' based on true story, you'd have the intruder who is at the center of the action. This person could be motivated by various reasons, like greed or some sort of obsession. Then there would be the people whose lives are disrupted by the intrusion. They could be homeowners, or people in a particular community. Their reactions and attempts to deal with the intruder are also important aspects of the story.
A practical answer is Chapter 187, because it turns the idea into a concrete scene. The chapter opens with During the competition, she passed by him numerous times, unfazed by..., adds pressure through But don't worry Brother Cheng, you got second place in the grade this time!, and ends on Perhaps.
Chapter 182 is the strongest chapter-level answer because it starts from At this moment, Qi Tianyu, who had just arrived in the Capital, couldn't... and follows through on But Director," the assistant said, "are you really going to let them keep....
The best chapter pointer here is Chapter 210, "Are All of Jiang Li's Fans Hidden Big Shots?". It opens with This was Zhao Lang's first public appearance. and closes on Clearly, she used improper methods to get it..
A practical answer is Chapter 199, because it turns the idea into a concrete scene. The chapter opens with Damn, the production team is actually being so generous this time, giving..., adds pressure through Daniu finally showed up again, I've missed you so much!], and ends on You knew all along?".
Chapter 208 is the strongest chapter-level answer because it starts from Jiang Yan clicked his tongue, "What's this about money? and follows through on Seemingly sensing the raging fire in Su Yinwan's heart and feeling....
Look to Chapter 174 for the clearest answer. It begins with Does Young Master Jiang really care why I would come here?, keeps building through I'm here for the same reason you are." He had previously suspected the..., and lands on She knows the camera is on her, how can she still..." Jiang Li.
A practical answer is Chapter 180, because it turns the idea into a concrete scene. The chapter opens with In the end, everyone received gifts that were completely opposite to what..., adds pressure through Jiang Yan is Jiang Li's brother;
A practical answer is Chapter 192, because it turns the idea into a concrete scene. The chapter opens with Jiang Shixu had never imagined that Jiang Cheng, who had been so arrogant..., adds pressure through Let this incident pass, don't dwell on it and hurt yourself., and ends on Jiang Li.
A practical answer is Chapter 198, because it turns the idea into a concrete scene. The chapter opens with He wrapped his arms around himself and stepped back half a step, eyeing..., adds pressure through All these years I've been busy taking care of the little ones, hardly..., and ends on How is.
Chapter 212 is the strongest chapter-level answer because it starts from Although she appeared outwardly flattered, in fact, her heart was already... and follows through on Suddenly, in an instant, his wildly beating heart calmed down, and then,....