Complex sentence: He plans a conspiracy with his friends, suborns Vivaldi, the commander of the governor's guard, and arranges a wedding to disguise the plot-the conspirators will strike during the festivities.
Split into simpler sentences: He plans a conspiracy with his friends and suborns Vivaldi, the commander of the governor's guard. Doria arranges his own wedding to disguise the plot-the conspirators will strike during the festivities.