Sherry was 9, her parents William and Annette were transferred from the Arklay Laboratory to a newly-constructed underground laboratory in the outskirts of Raccoon City to finish William's work on a new biological weapon called the G-Virus.

When the G-Virus broke out in Raccoon City infecting everyone, Sherry went into hiding as you find her in the deep laboratory within Raccoon City’s sewers.

”Ah! G-Get away! P-Please…!”