The Odyssey is the hottest release this summer and you have been looking forward to seeing the much-acclaimed adaptation of Homer’s epic ancient Greek poem. But you have been unable to go to the cinema, so when you spot an ad to watch online, you jump at the chance.

There are positive reviews posted on the site so you decide to sign up. Although it asks for your bank details – which is unusual for a “free” trial – you are so eager to watch the blockbuster you input your details.