After learning the cost of Manca's biopsy, Inés weighs a risky but lucrative offer from Susana Bonar — a wealthy client who won't take no for an answer.

Before prison, Inés hosts a lavish birthday dinner for her husband Ernesto, where family insults and parenting spats push her composure to the brink.

As Bonar's erratic behavior raises red flags, Manca and Rody dig into her past. Inés rushes to gather lethal supplies after Bonar tightens the deadline.

A tragic memory reveals the source of Bonar's grief. Manca and Rody trace her ties to Inés as shady suppliers put her at risk during a pesticide pickup.

While Manca undergoes surgery, Inés learns of Bonar's macabre plan — and must act fast when those she loves most appear to be in danger.