A mysterious stranger returns to Skelthwaite on a mission to find his long-lost father. Simon takes radical steps to thwart business rival Conrad Walker's plans, and Anna makes a decision about the baby's upbringing.

A pregnant schoolgirl runs away after confiding in Anna, deciding to have her baby by herself on the moors, and David tires of pandering to Karen, suspecting her mother is the real reason behind the mystery illness. Chris refuses to give up on his relationship with Beth, despite her plans to finish their affair, and Vic becomes riled by Lucy's girlie chats with Jess, finding it hard to accept that his daughter is growing up.