When a luxurious family touring train halts in a pitch black tunnel, an uninvited creature sneaks on board.

A student and political activist becomes the new housemate of a solitary painter. He is brusque and disillusioned, she is filled with hope. Outside, Taiwan is heading towards new presidential elections. Contemporary Asian cinema at its best, in which it's all about timing and rhythm. A visually impressive, layered thriller about politics, art and murder.

As human beings, do we have the right to decide to end our own life? And do we have any rights over other people's life and death?