The buddies, Darren and J.D., have been best friends with Silverman since childhood and are both part of the Neil Diamond cover band. When Silverman meets the manipulative and controlling Judith, she convinces him to break up with his longtime girlfriend and abandon the band. The friends quickly realize that Judith is not what she seems, and they hatch a plan to save Silverman from a horrible fate.
Their plan involves reuniting Silverman with his ex-girlfriend and setting them up on a date to rekindle their relationship. However, Judith catches wind of the plan and does everything in her power to stop it. The friends resort to extreme measures, kidnapping Judith and tying her up in a cabin in the woods.
As the clock ticks down to Silverman's scheduled wedding date, the friends must find a way to keep Judith out of the picture and convince Silverman to reconsider his engagement. Along the way, they encounter a number of hilarious and heartwarming obstacles, including a memorable Neil Diamond performance that brings the band back together and sets the stage for a climactic showdown with Judith.
In the end, the plan is successful, and Silverman realizes that Judith is not the woman for him. He reunites with his ex-girlfriend, and the band becomes a success once again. The movie ends on a high note as the friends celebrate their victory and reconnect with each other after a wild and unforgettable adventure.