It’s the Latin motto of the United States Marine Corps, meaning “always loyal”. Semper Fi is also an upcoming action-tinged crime drama.

Starring Australian Jai Courtney, it’s the story of two brothers. One is a cop and Marine reservist named Cal (Courtney), the other a more reckless soul nicknamed Oyster (Nat Wolff) who accidentally kills a bloke in a bar fight. The former makes the latter face the music, but when Oyster is given an unfair sentence, Cal resolves to break Oyster out of prison — no matter the cost.

Also starring Gossip Girl‘s Leighton Meester, Semper Fi is set for a US release in October. As we seem to be typing a lot lately, we await details of an Australian release.

Here’s a look at it: