In episode 11 of 91 Days , titled "All for Nothing," the "piece" being prepared is the final stage of Avilio’s (Angelo's) intricate plan for revenge against the Vanetti family . The episode centers on the grand opening of the Vanetti Playhouse, a project that was Don Vincent's lifelong dream. The Plan for Revenge
Avilio coordinates with Ganzo Alary to execute a multi-layered assassination during the opera performance: 91 Days Episode 11
: Nero visits his dying father, Vincent, who reveals that Testa Lagusa (Avilio's father) was actually his best friend. Vincent is haunted by the regret of killing him for the sake of the "family". The Climax In episode 11 of 91 Days , titled
: Avilio intends to kill both Don Vincent and Nero Vanetti. Vincent is haunted by the regret of killing
: The plan involves letting Don Galassia and his men escape first to avoid starting an immediate war with the Chicago mafia before the Vanettis are neutralized. Key Revelations
: Ganzo provides Avilio with the layout of the playhouse. Vincent's room is bulletproof and has no outside doorknob, requiring a key or for someone inside (Nero) to open it.