Tamzin Outhwaite stars in Deborah Moggach 's dark two-part drama. On the surface Swindon-based Natalie has it all -good looks, a steady job and a reliable boyfriend. In reality she's bored to tears and short of cash, so when she hatches a scam that could be financially beneficial there's no holding her back

When a humanoid sea creature washes up in Terry's bleak life they quickly develop feelings for each other - But can Man love Fish, and will Terry's older criminal brother get his hands on the creature before Terry can decide how he feels?