Successfully complete the indicated tasks in the listed storyline memories 
to get 100% Synch:

-=Sequence 2=-
"As Good As New": Do not drop below one health square.
"Well Executed": Kill your target with the hidden blade.
"New Man In Town": Throw the Borgia Captain into the scaffold to kill him.
"Easy Come, Easy Go": Do not lose any health.
"Who's Got Mail?": Catch the Borgia courier in under one minute.
"Crepil il Lupo": Do not lose any health.
"The Halls Of Nero": Successfully complete the memory within eight minutes.

-=Sequence 3=-
"Double Agent": Do not get detected while reducing Notoriety. Remain undetected
until rejoining  La Volpe at the Thieve's Guild.
"Between A Rock And A Hard Place": Kill only the Borgia Captain.
"High-Stakes Negotiation": Do not swim.

-=Sequence 4=-
"Castello Crasher": Do not get detected.
"Femme Fatale": Do not lose more than ten health squares.
"The Burdens We Carry": Do not get detected.
"Guardian Of Forli": Achieve a kill streak of at least five guards.
"Man Of The People": Do not lose more than five health squares.
"Serial Offender": Kill your target using the Assassin Recruits.
"Human Cargo": Kill your target using the Assassin Recruits.

-=Sequence 5
"Escape From Debt": Do not get detected while escorting the senator.
"Follow The Money": Do not get detected and do not touch the ground while 
tailing the Senator.
"When In Rome...": Arrive at your destination in under three minutes.
"In And Out": Kill the Banker from a bench without being detected.

-=Sequence 6=-
"Gatekeeper": Do not take any damage.
"French Kiss": Do not get detected.
"Trojan Horse": Do not lose any health squares.

-=Sequence 7=-
"Patching the Leak": Do not drop below five health squares.
"Calling All Stand-Ins": Use Assassin Recruits to assassinate your targets.
"Exit Stage Right": Do not kill anyone other than the gunmen.
"Intervention": Do not swim.

-=Sequence 8=-
"Requiem": Do not get detected.
"An Apple a Day": Do not kill anyone.
"The Apple of Eden": Do not lose any health.

-=Sequence 9=-
"Pax Romana": Do not drop below five health squares.