The city of Miami is Detective Tom Moon's backyard. He's always kept it local, attending the University of Miami on a football scholarship and, as a Miami PD officer, protecting the city's most vulnerable. Now, as the leader of an FBI task force called Operation Guardian, he is combating international crime. Moon's investigative team discovers that the opportunistic "Blood Brothers"-- Russian nationals Roman and Emile Rostoff-- have evaded authorities...

When high school student Clay Jenkins receives a box in the mail containing thirteen cassette tapes recorded by his classmate Hannah, who committed suicide, he spends a bewildering and heartbreaking night crisscrossing their town, listening to Hannah's voice recounting the events leading up to her death.