With the two base plots(Submarine & Bomb) the run time of 2hrs is Crispy that makes watchable...
Being tagged as sound terror movie where a bomb explodes if it reaches certain level of decibel is enough to crave for the movie...
The combination of all lead actors was a tremendous job where every characters move along the flick to give a emotional texture especially Lee Jong's villainous act is a show stealer...
Though the plot wasn't boring the writing falls flat at later part making it to feel an ordinary movie that uncovers the plot with belated time...
The best part is a glimpses of Submarine portion scenes could have been an extended
Overall a high octane action movie with some human value makes it watch worthy.