Mister is a 13-year-old boy living amongst the poverty stricken suburbs of Brooklyn, New York. Living with his substance-dependent and off-the-rails mother, he has developed an unusual level of maturity and independence and tries his hardest to help his family by trawling through the local newspapers for jobs for his mother that wouldn't run background checks. However, when she is arrested and jailed, Mister and 9-year-old Pete set out to take care of themselves - even if it means begging on the street - whilst hiding from police, child protection services and dangerous criminals his mother was involved with. As the weeks wear on, Mister starts to truly understand that he is on his own now when it becomes clear that his mother is not going to come back for him even when she's free.
In 1960's New England, Sam and Suzy meet after the former sneaks backstage before a show, which features the latter. The pair fall in love and, from then on, communicate by writing letters. The pair makes a pact to run away together. Sam will escape from his summer camp and Suzy will climb out of her bedroom window.
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He's certainly not wasting his newfound talents.