This story has more twists and turns than a second-rate soap opera.

One of the most extraordinary films you will see this year. Take that as you want.

Just intense enough to provide a much-needed diversion, just lightweight enough to make you forget about it soon after it’s over. It’s not exactly “good,” per se, but it does what it sets out to do in terms of putting us on edge, which makes it … successful?

The joyful confection is coated in a sparkly gloss, bright enough to gleam from the darkest, most cynical corners.