Rose is the new commander of the LAPD, after captain Andersen died. She meets Tim Bradford, Talia Bishop and Angela Lopez. There was also a group of rookies. Lucy Chen(Tim's Rookie), Jackson West(Angela's rookie) and John Nolan(Talia's rookie.) Then we have sergeant Grey. Tim is 32, Talia is 35, Angela is 30, Lucy is 25, Jackson is 23 and John is 42.