An early BBC iPlayer release has revealed a huge surprise in EastEnders.
During a dramatic labour scene, Penny Branning's baby secret comes to light.
The identity of the baby's father is learned by an unlikely figure.
The twist revolves around a messy situation between Penny and Priya Nandra-Hart.
Viewers will be taken aback. The tension rises sharply. Penny is caught up in the drama. Priya has a central role.
The revelation changes everything for them. Questions surround the father's identity. New details appear as the drama unfolds. Both characters deal with the consequences.
The episode leaves the door open. Audiences will not forget this twist.