Plus One (2019)

Ben and Alice are friends from their college days. Both being single, they find it challenging to get through a heavy wedding season, a summer in which all their friends are falling in love and marrying one another. They make a pact, agreeing to be each other's dates at every wedding they get invited to. But soon their effort to survive all the parties and ceremonies becomes a journey of discovery as they find that between each other they have some pretty exciting chemistry of their own.