The first season of the drama television series created by José Alberto Castro Por amar sin ley premiered on Las Estrellas on 12 February 2018, at 9.30 pm and ended on 17 June 2018 in Mexico.

The season features a large ensemble cast, including Ana Brenda Contreras, David Zepeda, and Julián Gil in the lead roles,[2] along with José María Torre Hütt, Sergio Basañez, Altair Jarabo, Guillermo García Cantú, Pablo Valentín, Ilithya Manzanilla, Geraldine Bazán, Moisés Arizmendi, Manuel Balbi, Víctor García, Eva Cedeño, Azela Robinson, Roberto Ballesteros, Leticia Perdigón, Issabela Camil, Arlette Pacheco, Magda Karina, Lourdes Munguía, Polly, and Daniela Álvarez as part of the main cast.

The main characters are Alejandra (Ana Brenda Contreras), Ricardo (David Zepeda) and Carlos (Julián Gil).

On the other hand, are Victoria (Altair Jarabo) and Roberto (José María Torre Hütt ), Roberto tries to seduce her, but she refuses to fall into his game, Benjamín (Pablo Valentín) and Leticia (Eva Cedeño), two ambitious lawyers who are lovers, Olivia (Ilithya Manzanilla) who is madly in love with Leonardo (Manuel Balbi), but he only has eyes for his work, Gustavo (Sergio Basañez), who after a bad decision ends his marriage, and Juan López (Víctor García), a lawyer who admires the firm Vega y Asociado and wishes to obtain a position in that law firm.

[14] After being more than a month being Univision's most watched show at 10pm, and surpassing Telemundo's telenovela, on 8 May 2018 during the premiere of the sixth season of El Señor de los Cielos, the telenoela only recorded one a total of 1.44 million viewers,[15] while the premiere of El Señor de los Cielos reached a total of 2.14 million viewers,[15] leaving Univision production as the least watched program at 10pm.