Set around the employees of Yorkshire's 'Chevin Chase Veterinary Surgery', sisters Anna and Sarah Williams couldn't be more different: hardworking mother Anna runs the clinic with her father, while glamourous Sarah left for London years ago. A wedding brings them all together, but long-simmering secrets may soon tear them apart.

• Gaynor Faye
• Nicola Stephenson
• Michelle Holmes
• Nicholas Gleaves
• Sunetra Sarker
• Reece Dinsdale
• Liam Garrigan
• Rachel Davies