A federal task force operation is protecting a witness, Nick Murch, who is due to testify against a powerful crime lord Ezekiel Mannings. At the safe house, a courier rings a bell to deliver a package which is then revealed to be something that jeopardizes the operation. And when someone tries to kill her during the package drop, she devoted herself to save Nick and make sure he finishes what he is ought to do.A courier in London discovers that one of the packages she’s transporting is a bomb.