Stranded in Time

Pondering the night before,  the breakup with her boyfriend and why she is so hungover, Karen gets a call on her cell phone from a person claiming to be a stranded Time Traveler and that Karen's misery was aided by the Time Traveler, and is the only one who can explain all the things that happened. Including changes to her physical makeup. Her life take a turn for the better and Karen soon has put...