A forensics agent meets a dying woman who inexplicably knows her name — Becca — and looks just like her. Their encounter unleashes a storm of unknowns.

Becca meets with her sister Tamara, who always seems to know more than she shares. Humberto pledges to help Becca. Eugenio’s string of lies continues.

Humberto comes to Becca with new details and ends up seducing her. Under Eugenio’s tutelage, the transformation of Tamara into her sister Aleida begins.

The fake Aleida cedes control over her company to Eugenio. Becca challenges Dr. Bátiz. More incredible coincidences about the triplets' lives surface.

Guided by a vision, Becca asks Pilar to give her access to the hospital’s basement. What she uncovers is devastating... as are its ripple effects.

With Beatriz dead and Tamara missing, Becca suspects Eugenio is now after her, and decides to entrust her mother's safety to Dr. Bátiz.

As the truth is finally brought to light, the experiment continues to take obscure turns, blurring the lines between what’s real and what’s planned.