The plot is ridiculous, but if you can 'suspend (your) disbelief' [=allow yourself to believe that something is true even though it seems impossible], it's an enjoyable movie.
a wire 'suspended between' two poles [=hung so that it is attached at each end to a pole]
The police officers were 'suspended' without pay for their conduct.
(..) -Ridiculous. -Curiously, Lucius, several of them. . . . . .were under the impression that you would curse their family. . . . . .if they did not agree to suspend me in the first place. -How dare you! -Beg your pardon? My sole concern has always been and will always be. . . (..)2002 Harry Potter and the Chamber of Secrets