Alana, a teen-aged girl from the year 3000, finds herself trapped in 1990 with Silverthorn, a criminal from the year 2500. Alone and confused, she befriends a spirited girl named Jenny Kelly. Together they attempt to track down the time capsule which brought her there, while evading Silverthorn. She must convince people of this time period that she is not crazy and that Silverthorn must be stopped before he tries to take over everything.