Lawyer Agata Rud and her colleague Boris Ustinovich unexpectedly found themselves at a performance at the illusarium - a theater with circus elements. And there, right before their eyes, the artist Dina Muratova died. Suspicion fell on her husband Ruslan, because it was he who was responsible for the special effects at the performance. It quickly became clear that a year ago there had already been one accident in the illusarium - tigers that escaped from the cage killed the trainer Varvara, with whom Ruslan was unrequitedly in love. It would seem that everything is clear - he set up the first murder out of revenge, and now he has dealt with his annoying wife. But Agata, who undertook to defend Ruslan, immediately suspected: not everything is so simple...