Michael Jennings was a brilliant mind who was hired – and paid handsomely – by a high-tech company to work on a highly sensitive project. However, his short-term memory would be wiped afterwards, so he couldn't compromise security. But when he quit the job three years later, he claimed he didn't receive his paycheck, but instead received a mysterious envelope. Inside was a clue that he had to help uncover why he didn't get paid – and why he's now in hot water.