Estela tells Sandra that the poison that killed Beatriz grows in the rose garden. Jacobo and Sandra drink and go to bed. Jacobo finds Lirio's ring among Paco's things, just as the rose garden catches fire. Sandra suspects everyone.

Sandra investigates Jacobo's past, and he becomes determined to find his mother's lover. The prosecution sets a trap for the killer, and Juan begins receiving incriminating messages. Sandra discovers that Jacobo murdered his mother when he was a child.