Unboxing the Mind of a Cryptic Killer

After getting an anonymous tip to check out a warehouse in the shipping areas of their respective cities, two former partners arrive at their scenes to find a suspicious chest has been left for them. They realise immediately the similarities to the crime scenes from a case they both worked on that had long gone cold but has recently reopened, that of the Cryptic Killer, now it appears they are the killer's next targets. After realising the dangerous situation that they are in, the detectives reconnected with each other virtually but aren't confident they can solve the cryptic puzzles that they know lie ahead. They have called on you for your expertise in puzzle solving and code-breaking in hope that your team can assist these detectives and help them escape the clutches of the killer.