Grrr Revolves Around 'Rejimon Nadar' (Boban), Whose Life Spirals After His Girlfriend Breaks Up With Him Over Caste Issues. Things Take A Wild Turn When He Finds Himself Unintentionally Trapped Inside A Lion's Cave At The Zoo After Getting Drunk. After Seeing All This, A Zoo Worker Decides To Save Rejimon's Life Without Caring For His Own Life. However, They Both Get Stuck In The Cage. The Story Unfolds Amid Media Attention, Exploring Themes Of Bravery Under Duress, Redemption, And Human Eccentricity.