when his sister katy harris (lucy-jo hudson) starts dating david's father martin platt (sean wilson), her father's friend, who is 20 years older than she is, it causes tommy and angela to split up. upset at this, craig tampers with the brakes on martin's car, hoping to split martin and katy up and bring back peace to his family. unfortunately, katy gets in the car with martin. craig tells his father and they race to the rescue. martin decides not to press charges once he finds out the truth. soon, david and craig fight after having an argument over the incident. tommy and angela get back together when they realise how much their problems are affecting craig.