Running Man Ep 316: Sistar’s Hyorin will make a surprise appearance in Train To Prison .

Running Man Ep 316: Sistar’s Hyorin is set to make a surprise appearance in the Train To Prison episode of the vairety show. Hyorin is best known to be a member of the South Korean KPop band ‘SISTAR’. Hyorin will be partying with the RM members in the GTX, which is a train chosen for the show as the prison train.

Hyorin has previously taken part in the variety show in the episodes 75, 162 and 307. In Train To Prison, the RM members are put into the GTX train from which they have to escape by playing different games and completing numerous missions.