If the editing of the trailer is to be believed, the incident will drive her to Damon Cross, who looks more than a little pleased with himself.
Bad timing strikes again!
Cookie walks in on what looks like Lucious well on his way to hooking up with another woman; given that this comes shortly after she learned that he had an illegitimate son with another woman, it’s understandable why Cookie might not be inclined to give him the benefit of the doubt in the heat of the moment.