An early BBC iPlayer release has revealed a huge surprise in EastEnders.
During a dramatic labour scene, Penny Branning's baby secret is finally exposed.
The identity of the baby's father is learned by an unlikely figure.
The twist focuses on an unexpected bond between Penny and Priya Nandra-Hart.
Viewers will be taken aback. The tension escalates fast. Penny finds herself at the centre. 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 are sure to react strongly.