Two's Company was a virtual representation of one of Ezio Auditore da Firenze's genetic memories, relived by Desmond Miles in 2012 through the Animus.
Ezio Auditore received a contract from Niccolò Machiavelli to assassinate two cruel guards in Rome.
Ezio assassinated the guards, freeing the people of Rome from their vicious behavior.
Ezio assassinating the first guard
Ezio assassinating the second guard