Mark Boyd

27 years after a virus wipes out most of humanity, scientists send a man (James Cole) back to 2015 to stop the plague from ever happening. Cole's only lead is a virologist (Dr. Cassandra Railly), who knows the dangerous source of the outbreak.

When Mac is put into a dream state to help him recall key evidence found in Nikola Tesla's secret lab that could stop Codex's deadly plot, he encounters Nikola Tesla, Alexander Graham Bell, Thomas Edison and his mother.