'oia'i'o Ma Loko (the Truth Within) | [s4e3] Ka

Jerry Ortega suggests the emblem is the "key" to a larger mystery involving Medici rings smuggled from Italy and hidden somewhere in Hawaii.

Jerry theorizes the rings are hidden inside one of the King Kamehameha Statues . The investigation reveals a group of mercenaries has replaced the original statue with a replica to steal the treasure. [S4E3] Ka 'oia'i'o ma loko (The Truth Within)

The main cast is joined by several guest stars integral to this episode's unique "treasure hunt" vibe. Role Notes Alex O'Loughlin Head of the Five-0 Task Force Jerry Ortega Jorge Garcia Conspiracy theorist (First Appearance) Catherine Rollins Michelle Borth Retiring from the Navy Billy Harrington Justin Bruening Catherine's former flame and Navy colleague Ellis Gregory Will Oak Wild Lead mercenary antagonist Notable Filming Locations Jerry Ortega suggests the emblem is the "key"