Mark (Noah Wyle) and Phoebe are in the midst of a breakup. Miguel| a bullied teenager| gets an illegal gun and accidentally shoots Mark. In real time we now 　　experience the consequences of getting shot. Using multiple screen techniques| we viscerally go through everything the couple goes through| and at the same time see 　　how the boy tries to avoid getting caught. The story tracks the events of what the medical profession calls the "golden hour" with all efforts of EMTs and ER teams 　　attempting to save Mark's life. We share Mark's shock| pain| anger| fear| humor| guilt| grief and desire for vengeance and potential redemption| and we watch how 　　this all effects his troubled relationship with his wife. We also track the struggles Miguel has facing his responsibility for the shooting. After that hour of 　　terror| we discover these three characters 5 months later and experience how their lives have been turned upside down| leading to a confrontation with the three of