Germanicus, Claudius brother is poisoned and dies. Piso is accused of murder (of Germanicus) and treason. Tiberius with help by the commander of the gard, Sejanus, tries to protect Piso. Piso reveals he has letters showing Tiberius involvment, threatening the emperor. Sejanus takes care of the letters but Piso has another letter involving Tiberius and Livia. Piso gets killed by his wife, before the letter could be read in the senate. Caligula is born. He is alreday a menace and is often found naked in bed with his sister Drusilla. Caligula is even involved in his fathers death. Caligula also sets fire to the house.