Malcolm's flourishing business is keeping him busy. Too busy. So he decides to take on an assistant.

Pam hires Brenda to look after Sarah for her while she goes to work in David's office for a few weeks.

Malcolm takes his mother to see a musical in London for her birthday, leaving Brenda alone on a Saturday night...

Brenda is full of regret after her moment of passion with Chris, and decides to tell Malcolm all.

Malcolm has forgiven Brenda for her little indiscretion, but still decides to sack Chris. Meanwhile, David and Pam's marriage suffers a rift.