When an FBI agent who was cracking down on organized crime is killed, McGarrett rounds up every gang-related criminal on the island to find the culprit responsible for the murder.
When the team must locate a girl who purchased a gun from a junkie, it discovers that the firearm, over the course of decades, has affected all of teammates lives.
Michael and Claudia Joy prepare for Michael's promotion ceremony; Pamela reaches a breaking point in her marriage; Roland struggles with Joan being deployed; Roxy stresses over finances.
Atlantis. Ben finds himself headed into orbit aboard the Space Shuttle Atlantis in 1995. Addison confides to Ian about a discovery and finds herself at odds with Magic and Jenn.
Somebody Up There Likes Ben. Ben leaps to flashy 1970's Las Vegas and into the body of promising young boxer Danny Hill on the eve of a big title fight.