Wu Chenyu is 1, Xie Ji is 0
Wu Chenyu is a criminal police officer
Yu Luo is the boss of Group A, which is where a group of top killers live;
Xie Diao is a criminal policeman and Wu Chenyu's lover;
Xie Hanyi is Xie Diao's sister and the boss of a group.
Motto: Don't trust others easily