The storyline is pretty similar like that of Man from Nowhere except few changes.

The movie has good starcast. Acting was good too.
Though, thanks to bad direction,you will always feel that the film lacks something. It lacks heart. The film just feel meaningless.

Except action, nothing is good. It will not touch any hearts. Plus, one doesn't connects to any scene.
About music, it is standard. It's not great.

Rewatch Value is less. Only for action sequences, one can watch some scenes. But rewatching whole movie is waste of time and mind space.

Conclusion - Ignore this. Instead watch Man fron Nowhere again. If you don't like action, go watch anything. Even staring at stars for 1 hour is better than this if you have watched assassin turn good movie before.