In the detective series "Aquarius," the events unfold in Los Angeles in the late 60s. The series is based on a true story about a group called "The Family," led by Charles Manson. Once a musician touring the country, Manson now leads a cult of hippies. Police officer Sam Hodiak and his young colleague Brian Shafe are determined to put an end to the crime in the city. They challenge all serial killers, drug dealers, and the Manson-led cult organization.