Set during the trio's fifth year. The twins are caught in their seventh year prank war and the night before Hermione's Arithmancy exam George enlists her help in rescuing Fred after a prank goes incredibly wrong.

Set in the trio's fifth year during O. and the seventh year prank war. Fred finds himself trapped by the Slytherins after a prank-gone-wrong and George needs Hermione's help to get him out.