Three years after her son mysteriously disappeared, a grieving mother begins experiencing disturbing visions that seem impossible to explain. When mirrors appear to reveal cracks between her reality and another parallel world, she becomes convinced that the truth about her son's disappearance may exist on the other side. As memories, hallucinations and reality begin to overlap, she is drawn into a dangerous mystery that also exposes hidden fractures within her marriage and family.

A shameful period in Taiwanese history provides the backdrop for this emotional drama from writer and director Yonfan (aka Yang Fan). In 1949, in the wake of the 228 Incident (in which anti-government protesters launched a rebellion that was violently put down by authorities), Taiwan came under martial law, and through much of the 1950s brutal reprisals against suspected communists were commonplace. During the years of the "White Terror," thousand of supposed dissidents were killed, imprisoned or simply disappeared at the hands of the military police.

Kai (Jack Yao), who works at his parent's noodle shop by day and spends his nights in a bookstore to learn French, decides to go to Paris after his girlfriend, who recently left for Paris, dumps him by phone. Then the local neighborhood mafia boss offers Kai a free plane ticket to Paris if he takes a mysterious package with him.

Mabel, Liam and Aaron have been friends since childhood. Their bonds of friendship are tested when, years later, they realize their friendship is the only reason they have made it through emotional hardships and extreme tragedies.