When Laura goes to pick her daughter up from her Dad’s, she hears a piercing scream ring through the air. She entered a scene where her daughter was on the floor, and Katie, her stepmother, was standing above her, holding a broom. What has Laura walked into?My husband, Noah, and I divorced a long time ago. Now, he is married to his new wife, Katie. We share a daughter, Lexie, so we’re still on good terms — trying to give her a childhood without drama. The ebb and flow of co-parenting with my ex-husband had become a familiar rhythm — one week with me, followed by one week with him.