The story has a complicated plot.

故事的情节是曲折的。

《新英汉大辞典》

The play has a very complicated plot.

这出戏的情节相当复杂。

youdao

This is a novel with a complicated plot.

这本小说情节复杂。

youdao

Parrot is an itinerant English printer who thanks to an over-complicated plot ends up as Olivier's servant-cum-minder.

ECONOMIST: New fiction 2

But this film, with its prickly characters and its complicated plot, rips along with tension and power.

NEWYORKER: Commitments

The plot is conventional: the young man gets initiated into sex and the many other fascinating and complicated rights of the grownup world that is, he gets warmed up and then burned by people more experienced and ruthless than he is.

NEWYORKER: Me and Orson Welles