Heroine may cause a man to feel invincible. Cocaine may make a man feel like he can run past the speed of light. Ecstasy may make a man feel like every nerve in his body is coming alive. Still, no matter how potent those substances may be, it's a fact, love is the most potent drug of all. This fact is especially true when Juan awakens from a two-month coma, unsure of what his life had been. The only time he feels he is close to the truth is in the...