In 2017, four bands from the Chinese mainland toured in Taiwan. It marks a historic moment in the cross-strait subcultural communication. The tour is the biggest underground rock event made by rock bands from the Chinese mainland in Taiwan. With the GT Bitches's tour as the main plot, the film is an interview of 10 punk bands, gig organizers,and music fans from the Chinese mainland and Taiwan. What is the punk cultural difference across the strait? The interview in the film might provide a partial answer…