Big Bear (2017) watches a group of friends who meet for the bachelor parties, but their celebrations will take a totally different nuance. While planning the hottest bachelor party for their boyfriend Joe, the three best friends are told by him that he was suddenly left by his fiancée and the wedding is canceled. Although Joe was recently abandoned, he persuaded himself and tried to go further with the bachelor party, headed for Big Bear Mountain with his three friends. Eric, Nick, and Colin believe that they should give a lesson to the one who stole their fiancee’s best friend, and in doing so they set up a secret crazy plan. The party continues, but things start to go wrong when Joe finds out in the morning that his friends have kidnapped and tethered the man with whom his fiance fled. How will their foolish plan end?