An occasionally intriguing, mostly laboured spy saga.

The film succeeds not by breaking with established formulas, but by doing more to fill them out

War 2, directed by Ayan Mukherji, is so limp that you are left looking for zing.

The plot is far-fetched fun that drives the characters through the twists and turns of their murky allegiances. But that's all background to the spectacular action scenes and fights.