But what has he found out?
As Isaac's mind races again, Lola finds him distracted, but he covers, leaving Lola none the wiser.
When they meet for lunch, Isaac has a surprise for Lola and takes her to Patrick's shed in the allotments. What will she find?
And when Lola leaves for work, Isaac continues his research and she convinces Sheree her son is fine.
In the club, Ruby and Jean have a heart to heart and Isaac arrives with plenty to say. How will Ruby react?
Later, Ruby is surprised when the hospital need her to have another procedure before the laparoscopy and worries that she doesn't deserve happiness. But Jean insists otherwise. And Ruby tells Martin tells she’ll have the procedure as she wants to keep trying for a baby.
EastEnders continues Mondays with all episodes available on iPlayer ahead of being shown on BBC One