Hawaii Five-0 (2010)

S8E21 Ahuwale ka nane huna (The Answer to the Riddle Is Seen)

In "Ahuwale ka nane huna," Harry Langford seeks the assistance of McGarrett and Danny to locate Lady Sophie, a young British royal who has fled while in his care. Meanwhile, Grover, Tani, and Junior delve into a cold case from 25 years ago when a puzzling Betamax tape unexpectedly arrives at the 5-0 headquarters, prompting them to uncover long-buried secrets.