By the Southern Cross

S3 E4: Tensions are stirred when police break up students celebrating the Eureka stockade anniversary. Emotions then spill over at the local pub that night. When student leader Des Sommerville is found dead suspicion falls on a local. But after Dr Blake finds Des' body was moved post mortem, suspicion shifts to the students and communist party members. Minister for Industry and Commerce, Martin O'Brien is in town to launch an initiative, and has an ultimatum for his daughter, Mattie.