Monsoon season has arrived in Manila. Predators that used to hunt sailors in the open sea have found their way into the flooded streets of the city. The unceasing rain muffles the screams of the victims being pulled down into the murky waters.

In places too high to be reached the flood, the party continues for the privileged, who indulge in a new designer drug which grants them the supernatural abilities of enkanto and aswang.

These are the murders and mysteries Alexandra Trese needs to solve as the tide continue to rise at the stroke of midnight.