John and Jeremy are best friends who have perfected the art of wedding crashing to take advantage of the romantic atmosphere and lure single women into one-night stands. Living by a complex set of rules and guidelines, their main objective is to leave no trace behind and to experience the thrill of blending into different weddings unnoticed. Their camaraderie is based on this shared passion, and together they make a formidable team, attending weddings of various cultures and traditions to expand their conquests. Their antics are fueled by their belief that weddings are the prime settings to meet and seduce women, taking advantage of the love in the air.

Their routine takes an unexpected turn when they decide to crash the biggest wedding of the year, the wedding of the daughter of the U.S. Secretary of the Treasury. Here, John becomes enchanted by Claire, the bride's sister, while Jeremy gets entangled with Gloria, the bride's other sister. Despite their initial plan to leave after achieving their usual goals, John and Jeremy find themselves drawn deeper into their roles than ever before. As they navigate through the lavish event, their friendship and their code are put to the test in a series of comedic and unforeseen events that challenge their perceptions of love and relationship.