Emmett and Alejandro know that ignorance is bliss.Since suffering a blow to the head and getting amnesia, Alejandro has forgotten his past life of suffering by the hands of the Mexican cartel, and his vigilante life as a sicario, a hitman for hire.Agent Emmett Hume has been guarding Alejandro while they await his memory to return, but he's also been falling in love with him. Undercover as his wife, Emme, Agent Hume starts hoping that Alejandro's memories will never return, leaving them both so happy.When Alejandro's memories do come back, there's more to worry about than just the cartel. Emmett finds trouble with his career in the FBI, Alejandro is back to his life of secret agendas and hunting for justice, and on top of all that, they both can't seem to forget one another.