When Ralph injures his foot, Katie is determined to ‘be a wife’ and look after him. But she, Danny and Tom soon find out that looking after people can be harder than they thought.

All is not well between Katie’s parents, and she worries that it might be her fault. Meanwhile, Ralph falls out with Brian when he decides to paint the couple’s fence without asking them.

It’s Christmas, and Ralph and Katie realise they’re double booked. As a family row ensues, can they ever find some peace? Danny has a Christmas heart-to-heart with Tom.