When they were ten years old, the Dead End Boys-Ben, Rob, Mike, and Brian-witnessed a triple murder attempt by a notorious gangster known as "Slim Jimmy" near their home in Southern New Jersey. In the face of police questioning and fear of consequences from the Mafia, they learned at an early age that in order to protect themselves and their families, sometimes big secrets need to be kept. What's more, the incident cemented the boys' deep, lifelong bond.

Now in their twenties, the Dead End Boys decide to vacation in Miami, Florida, to get relief from the brutally cold winter in the...