REVIEW: Gunpowder Milkshake [Sky Cinema]

Gunpowder Milkshake is the latest in a line of hyper-stylised, neo-noir action-thrillers going back to John Wick.

At the time it was a welcome change of pace from the no-frills, Liam-Neeson-on-an-x that was dominating the genre. Seven years, though, all that neon is beginning to pall.…