Doorport

<p>Engineer Janet Thompson steps through a Doorport to San Diego but lands in San Francisco instead.</p><p>Trying to fix the portal system she realizes that years of use have begun to have an effect on our world. As the space-time permutations become increasingly numerous and pervasive Janet must save our dimension from complete collapse.</p><p>The worldwide Doorport network had operated without a glitch for decades. What could possibly be going wrong?</p>