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When Katie invites recently dumped friend Emma to stay, Ralph soon feels pushed out. Their newly hired PA, Danny, tries to help, but things backfire and Ralph must win Katie back.

A mysterious Valentine’s card for Katie sends Ralph’s imagination into overdrive. Is it from the man who broke her heart? Meanwhile, Emma organises a Valentine’s fundraiser.

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.

An unexpected health problem for Ralph prompts him and Katie to think about the future. Danny and Emma also make some big decisions.

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.