When the timid bank clerk Stanley Ipkiss (Jim Carrey) discovers a magical mask  containing the spirit of the god Loki, his entire life changes. While wearing the mask, Ipkiss becomes a supernatural playboy exuding charm and confidence which allows him to catch the eye of local nightclub singer Tina Carlyle (Cameron Diaz). Unfortunately, under the mask`s influence, Ipkiss also robs a bank, which angers junior crime lord Dorian Tyrell, whose goons get blamed for the heist.