An early BBC iPlayer release has uncovered a major twist in EastEnders.

During a tense birth scene, Penny Branning's baby secret gets revealed.

The identity of the baby's father is learned by an unlikely figure.

The twist centres on a fraught dynamic between Penny and Priya Nandra-Hart.

Viewers will be taken aback. The tension builds quickly. Penny finds herself at the centre. Priya plays a key part.

The revelation shifts the storyline. Questions remain about the father. New details surface during the scene. Both characters are left shaken.

The episode sets up a bigger story. Audiences will be talking about this.