An hour after meeting a hot stranger at a bar, Max is with him on the rooftop of his Manhattan apartment, making out. Just five minutes later, Max is bolting back down twelve flights of stairs, hoping never to see him again. So the last person Max wants to turn up at his best friend's wedding - where he is official Gay of Honour to the bride - is that very same hot stranger. Or for him to be a Best Man too - for the groom. Now the co-Best Men are in a fight to the death over who will be the actual best. But although Max wants to keep his friend close, he discovers he wants to keep his enemy even closer...