Bosch: Legacy follows Harry Bosch, a retired homicide detective turned private investigator, as he embarks on the next chapter of his career; attorney Honey “Money” Chandler, who struggles to maintain her faith in the justice system after surviving an attempted murder; and Maddie Bosch, as she discovers the possibilities and challenges of being a rookie patrol cop on the streets of Los Angeles. During Season Two, Bosch and Chandler work together to seek out a killer who just might find them first. As a result of being kidnapped by a masked assailant, Maddie Bosch's law enforcement career hangs in the balance. The FBI scrutinizes Carl Rogers' murder and places Bosch and Chandler under suspicion.

博世开始了他职业生涯的下一个篇章，发现自己与他曾经的敌人哈尼·钱德勒（Honey Chandler）共事。