By Nick Walker.
Deep below the ocean, two submariners are desperate to make a timely return home.
Jerry wants to see his baby being born and Brian is hoping his marriage can survive.
But on dry land, Janine thinks her pregnancy is too quiet and Cath is ignoring the urgent knocking on her front door.
The Investigator....Ben Onwukwe
Music by Derek Nisbet.
Accordion played by Karen Street.
Directed by Kate Chapman.