London based N-gen tests a performance booster on 30000. A month later, agile zombies plague London, spreading the disease with a bite. One man has 54 hours to find the cure/immune woman.London based N-gen tests a performance booster on 30000. A month later, agile zombies plague London, spreading the disease with a bite. One man has 54 hours to find the cure/immune woman.London based N-gen tests a performance booster on 30000. A month later, agile zombies plague London, spreading the disease with a bite. One man has 54 hours to find the cure/immune woman.