When she discovers that her boyfriend Guero, a Mexican drug smuggler, has been killed by rivals and that she is the next target, Teresa Mendoza must give up her old life and become a member of a dark and deadly world in order to survive. Sonó el teléfono y supo que la iban a matar. Lo supo con tanta certeza que se quedó inmóvil, la cuchilla en alto, el cabello pegado a la cara entre el vapor del agua caliente que goteaba en los azulejos. Bip-bip....