Santhoshathinte Onnam Rahasyam is one of its first kind movie in Malayalam. The camera stays in one position throughout the film and has zero cuts. The film's setting is against the backdrop of the
COVID-19 pandemic. The film was shot during the pandemic in September 2020. Director Palathara who is known for
auteur cinema used the settings and times to experiment with film making.
Joyful Mystery released on schedule after a month-long rehearsal. Based on a script by Don Palathara the main performers Rima Kallingal and Jithin Puthenchery act in a single 85 minute narrative take captured by a dashboard camera. There was no single-take device. The director could only communicate to them from outside via headphones. The director chose one of the five takes that were captured and noted it became a tribute to the powers of collaborative film making and performance. While the performers acted they added their own dialogues to the basis of the script. The film explores the repercussions of intimate relationships that might occur without judgement or foresight. It did not have a theatrical release and was premiered on 10 February 2021 at the
International Film Festival of Kerala. It generally received positive reviews from critics as well as the audience. The film is one of the selections for the main competition at the 2021
Moscow International Film Festival. It became the only Indian film to be nominated for the Golden St. George Award for that year.
Baradwaj Rangan of Film Companion South wrote "This time, we have a "plot", and characters who talk a lot. But the aesthetic is as rigorous as in the director's earlier work. The camera, for instance, is "locked in" throughout." ==References==