Heartbeat S04E09 - Red Herring

When a Russian ship docks in Whitby, Nick and Kate meet a sailor demanding political asylum and claiming he had to fight for his life to get into Britain. When he goes missing, it leads Blaketon and his men into a case that sees them forging an alliance with the Secret Service. Meanwhile, Greengrass' poaching leads him into a chance encounter with an unlikely partner in crime.