- In season 3 episode 20, we'll meet an old friend of McGarrett. He's a sweet guy built like a fullback. We'll see them both on a series of flashbacks as young SEAL students.
- Years ago, the two were caught-up on a massive, deadly encounter in South Korea while working on a special assignment. Unfortunately, his old friend died in the middle of a heavy-fire combat.
- On the present day, McGarrett is faced with an ordeal that his dead SEAL partner's corpse has been missing.
Source: Spoilers Guide - Hawaii Five-0