McGarrett poses as a pilot to investigate the cause of a plane crash that led to the death of a pilot in an air race.
Nick's steadfast search for answers leads him into a deadly dog-eat-dog landscape. A dark piece of his past is uncovered.
After the fall of the compound, Madison, Strand, and others forge a tenuous path forward. Meanwhile, Nick is recruited for a perilous assignment.
Alicia and Madison work to unite two competing factions. Nick draws upon skills from his past to take on a new role at the colonia.
Travis' rage causes unrest at the RBH. Madison must decide if she will stand by Travis. Nick takes on leadership of the Colonia as Narcos close in.