Through a famous painting “South Street Festival”, a Taiwanese college boy unexpectedly travels 100 years back in time, back to the 1920’s, when Taiwan was under Japanese rule. He is stuck, he panics, he wants to return to 2014 but soon changes his mind, not just because of the prettiest geisha girl in town…

Soon after a young police officer reports for duty, he is confronted with the unspoken rules. There are people who cannot be questioned and cases that cannot be further investigated. Although he has been sidelined, he refuses to give up the old case. However, having spent so much time and effort, will he find out the truth or some long forgotten conscience?