A victim of the Boston Marathon bombing in 2013 helps the police track down the killers while struggling to recover from devastating trauma.
Jake Gyllenhaal
Jeff Bauman
Tatiana Maslany
Erin Hurley
Miranda Richardson
Patty Bauman
Richard Lane Jr.
Sully
Nate Richman
Big D
Lenny Clarke
Uncle Bob
Patty O'Neil
Aunt Jenn
Clancy Brown
Jeff Bauman Sr
