“It’s the culmination of their whole love story,” Barton says.

So, with Bilson and Clarke watching with her, Barton agrees to rewatch Marissa’s final moments.

The fire, however, is not something Barton remembers.

THE O.C.

Mischa Barton and Ben McKenzie on ‘The O.C.'.Michael Desmond/FOX

“I guess because I’m playing dead,” she says with a laugh.

With Bilson in tears, they watch as Marissa asks Ryan to stay with her in her final moments.

“It’s the culmination of their whole love story,” Barton says.

“That middle part is really painful when she asks him to say with her.”

“That really is, like, intense.”

Yeah, there’s a reason itscarred so many of us.