Assassin's Creed 2 Revelations Episode 4: The Uncivil War

"Ezio Auditore met with Yusuf Tazim and other Ottoman Assassins at the Hippodrome of Constantinople to plan the protection of Prince Suleiman I at the Topkapı Palace's cultural exposition."
"Ezio Auditore arrived at a port, where he found Duccio de Luca flirting with Sofia Sartor. After scaring off the unwanted suitor, Ezio assisted Sofia by locating her package on a boat filled with guards."