Every second counts for private investigator Leo Street on her latest case. She must find a missing teenager in the drug-fuelled streets of Dublin before it's too late. But with a watch that's stopped and a biological clock that's taken over, it's not going to be easy.

Leo's irrepressible sidekick Ciara, her mischievous mutt No. 4, and Ciara's gorgeous twin brother Ronan, lend a helping hand. But can they track down the missing girl and save the day, or will a case of bad timing put all their lives at risk?