Continuance is a noun. It refers to the act of continuing or extending in time or duration.

file a motion for continuance

Continuance - album - was created in 1999-01.

By use of the description "plaintiff" the questioner indicates that the case is a civil proceeding. In this instance if the plaintiff is opposed to a continuance they should object to the motion for continuance, then, it would be up to the judge to decide if the continuance was to be granted.

is there a right way or wrong way to write a motion of continuance