Alex Cross's positive traits are that he gets involved in all of the cases that he is working on. At the beginning of the novel he is realy involved in a rape murder case that took place in the projects of Washingtion DC. Now that he was put on the kiddnapping case he is amagining the two kids as his own kids and he really wonts to get them back. But, his negitive trait is that he is really depressed by the death of his wife Maria 4 years ago. He is upset the he couldn't say goodbye to her before she died. The traits affect the plot because he can't help but put himself into the cases, because that is the best way he solves the cases.