Looking for daddy (Casualty)

Iain dean, ruined his relationship with Rita, he slept with a student nurse and rita found them in bed together. Chelsea left the ED afterwards, feeling humiliated and embarrassed after Rita called her out in front of the whole ED.

what Chelsea didn't know then was that she was pregnant with his child, Chelsea had his daughter Ariel. Two years later Chelsea returns to the ED after struggling to find work, she sees a familiar face, her cousin Alicia. Chelsea hasnt seen Alicia since Alicia seduced and slept with Chelsea's boyfriend of the time. Tension is in the air when they bump into each other and alicia tries to be a matey.

Chelsea is shocked to s ee Iain still works at the ED, she is scared to tell him about Ariel but there's only a certain amount of time that she can keep Iain from his daughter. How will hebreact when he learns he knocked Chelsea up and has a daughter?