The film depicts a story of a child accidentally writing a letter to Satan rather than Santa Claus.

Satan attempts to tempt Chichi to evil, but the girl's virtues resists the demon's plans and changes him instead.

Dear Satan was produced under Mavx Productions with RC Delos Reyes as the film's director.

The production team explained that Dear Satan revolves around the concept of good versus evil, where an innocent child who "overcomes temptations through strong faith".

[5] However the Movie and Television Review and Classification Board (MTRCB) gave Dear Satan an X rating barring it from public exhibition in cinemas.