Perez and his team face a race against time to prevent disasterstriking Lerwick. With nowhere left to run, an increasinglydesperate killer looks to make a devastating politicalstatement as the current series of crime drama Shetland drawsto a close.Ally and Carol Anne insist their eco-group isnon-violent and are stunned when Perez reveals photos ofConnor's tortured body. Believing someone in the group isbuilding another bomb, Perez makes Ally see they've beenfooled by a person close to them, revealing the identity ofthe suspected mastermind.When the police find a suspect truckladen with chemical drums parked in Lerwick town centre, theyjoin forces to corner the bomber before it's too late.However,when the bomber panics, Perez tracks the increasingly unhingedsuspect to the site of the Braer oil spill and a life or deathstand-off ensues – putting Perez's future in sharp focus.Asthe investigation nears its end, it becomes clear not all themurders are connected, shining a light on a new, unexpectedsuspect
