The bomb is hidden in the heart, and the heartbeat will accelerate, and the bomb will detonate! Kalian was a thoracic surgeon. When an invisible bomb in a patient's heart suddenly exploded. Fortunately, he was rescued by police officer Tom. When he was still in a state of shock, the bomb criminal informed Kalian that at the airport, in taxis, and in the mall, several heart patients who had undergone surgery on Kalian had been installed with invisible bombs. Once the patient's heart beat faster, the bomb could explode at any time...
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