6/6 Catherine's fears grow when she learns that Tommy has been spending time with Ryan.
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5/6 Catherine sinks into a deep depression as she learns that Tommy is still at large.
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4/6 Catherine searches for the owner of the suspicious Milton Avenue property.
3/6 Tommy brutally takes control when PC Kirsten McAskill pulls him and Lewis over.
2/6 Catherine's search for Tommy gains momentum when she receives a tip-off.
1/6 Sgt Cawood's world stops when the man who drove her daughter to suicide is released.