It’s 2008 and a father-daughter duo are heading to Phnom Penh; she to prosecute a notorious Cambodian war criminal, he 30 years after escaping then-Communist rule. In a psychedelic theatrical extravaganza set to some of the country’s most popular rock music, including from Dengue Fever, Cambodian Rock Band shines a light on the country’s vibrant ’70s rock scene and how an entire generation of musicians was purged by the Khmer Rouge, as it brings long-buried family secrets back to life.