The benefits of bullets

After losing her father in the military, brook spencer decides to join the police academy, but just before graduation she loses her mother too, with the support of her best friend , she decides to carry on and graduate but years later she joins intelligence and when her first case gets a little personal can she keep it together or will all her secrets spill out, and will they ruin chances with her new partner...... Jay halstead.

(All one Chicago characters rightly are owned by dick wolf)