An early BBC iPlayer release has exposed a key secret in EastEnders.

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

The identity of the baby's father is found out by someone surprising.

The twist revolves around a messy situation between Penny and Priya Nandra-Hart.

Viewers will be taken aback. The tension escalates fast. 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 builds towards more drama. Audiences will be talking about this.