chunk: Michael suspects Roth of planning the assassination, but meets with him in Miami and feigns ignorance. In New York, Pentangeli attempts to maintain Michael's faĂ§ade by making peace with the Rosatos, but they attempt to kill him.
  Roth, Michael, and several of their partners travel to Havana to discuss their future Cuban business prospects under the cooperative government of Fulgencio Batista; Michael becomes reluctant after reconsidering the viability of the ongoing Cuban Revolution. On New Year's Eve, he tries to have Roth and Roth's right-hand man Johnny Ola killed, but Roth survives when Michael's bodyguard is discovered and shot by police. Michael accuses his brother Fredo of betrayal after Fredo inadvertently reveals that he'd met with Ola previously. Batista abruptly abdicates due to rebel advances; during the ensuing chaos, Michael, Fredo, and Roth separately escape to the United States. Back home, Michael learns that his wife Kay has miscarried.