Zoe arrives in Barcelona. She walks the city with no apparent direction. As the night wears on, her wandering through the underworld of the Raval will reveal itself as part of a strange and desperate plan of revenge.

Two youths, Niño and Compi, enter the world of drug smuggling in the Strait of Gibraltar; while two police officers, Jesús and Eva, try to eradicate the contraband.

Every year, thousands of people coming from Africa try to reach Spain in desperate and dangerous journeys across the Mediterranean. Tariq is a young Moroccan who works for a mafia that organises these illegal journeys. His job is to carry immigrants in a dinghy across the strait and not getting caught. But every trip might be the last one.