In 1991 in New York City, Alyssa "Ally" Craig is waiting with her mother for the subway when they are mugged by two young men who shoot her mother after boarding the train.
Ten years later, Ally is a student at New York University and lives with her father, Neil, a New York Police Department detective. Tyler Hawkins audits classes at NYU and works at the university bookstore. He has a strained relationship with his businessman father, Charles, because his older brother, Michael, committed suicide years before. Charles ignores his youngest child, Caroline, of whom Tyler is protective.