SPOILER ALERT!
Its Dexter’s 21st birthday and Sam takes Dexter to the pool hall, leaving Ava at home feeling left out and having to sort out the party.
Later, Dexter’s friends arrive, and Sam says he will see him back at home. When Dexter comes home alone, Ava realises Sam is missing and starts to worry.
Sam eventually returns home with Laura, the nurse that Dexter had been flirting with at the hospital. But Laura accidentally tells Ava some shocking news and Sam is panicked when he realises his secret is out…
© BBC Pictures
Ava worries about where Sam has gone