A Hawaiian talisman found on a radio-active terrorist make Catherine team op with Five-O as he's the lead to terrorist Asad and his pursuit of a dirty bomb. Neither military grade uranium nor the the royal tomb the talisman stems from are known, but Steve realizes both fit an abandoned island base, where it may all be stored in closed-up bunkers. Jerry pretends hunter experience to come along on account of the heritage value, but its' up to Steve to deal with lurking fiends who get away with one nuclear grenade. Junior can't face his estranged father's birthday and makes a bad fall jogging, into a ravine, but sends Eddie back so Tani can come looking. Adam wants to clear the way to join his beloved.
—KGF Vissers