A horror story that intertwines four tales on a fishing island in Lake Pátzcuaro, Michoacán, where an evil lake spirit haunts the inhabitants, casting a dark shadow over their lives.
Lalo is a fourteen year old teenager who, from an naive approach, gets involved in the underground world of the gas theft mafia while he's trying to make money to buy a gift for Ana and win her heart.
The impossibility of guide her three daughters in life and the constant failed promise to be a good mother frustrate and imprison Susana more and more. Ana and Clara, her older daughters, decide to release her from her burden.
