Needle in a Haystack

Needle in a Haystack was a virtual representation of one of Ezio Auditore da Firenze's genetic memories, relived by Desmond Miles in 2012 through the Animus.

Description
Ezio Auditore received a contract from Lorenzo de' Medici to find and assassinate the conspirator involved with the attack on Florence.

Outcome
Ezio assassinated the target, completing the contract.

Reference

 * Assassin's Creed II