Ybarra and Ávila are a couple of guys living apparently predictable, routine lives, whose real occupation is murder by contract. The next assignment will put their friendship to the test.

Ávila has to carry out the toughest assignment of his career. His life is getting complicated, and is about to take an unexpected.

Ávila accepts Sr. Moreira’s proposal. With a new apprentice and a tough case on his hands, he is looking for “stability” in his life.

Ávila tackles a difficult mission and ends up indebted to Ismael, as Moreira, caught in a losing battle, decides to throw in the towel.

Ávila becomes Señor Ávila, the boss, and inherits problems that threaten the company’s reputation for reliability. Iván will help him to solve some of them.

Sr. Ávila handles his first case, tries to find Maggie and is about to learn some of the unwritten rules of the business.

Ávila discovers how complicated it is to do away with someone who is immortal, and Emiliano comes across a strange connection between Ismael and his father.

Emiliano will make a mistake that leaves Ismael exposed, as María discovers new deceptions by Ávila and comes dangerously close to the truth.

Ismael’s story is revealed, as Detective Sánchez closes in on the real Sr. Ávila.

Juliana’s case is closed, Sánchez is acting on his own, and Ismael is believed to be dead. Sr. Ávila feels relieved. But not for long.

Sr. Ávila makes mistakes, and fate places Sánchez within reach of the truth to unmask him.

Ávila is going to pay a high price for being the Boss of the business, as Ismael approaches his fate. They both know their days are numbered…